diff --git a/accounts/abi/abi.go b/accounts/abi/abi.go
index fdb4c48b3..4b88a52ce 100644
--- a/accounts/abi/abi.go
+++ b/accounts/abi/abi.go
@@ -19,6 +19,7 @@ package abi
 import (
 	"bytes"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 
@@ -32,6 +33,12 @@ type ABI struct {
 	Constructor Method
 	Methods     map[string]Method
 	Events      map[string]Event
+
+	// Additional "special" functions introduced in solidity v0.6.0.
+	// It's separated from the original default fallback. Each contract
+	// can only define one fallback and receive function.
+	Fallback Method // Note it's also used to represent legacy fallback before v0.6.0
+	Receive  Method
 }
 
 // JSON returns a parsed ABI interface and error if it failed.
@@ -42,7 +49,6 @@ func JSON(reader io.Reader) (ABI, error) {
 	if err := dec.Decode(&abi); err != nil {
 		return ABI{}, err
 	}
-
 	return abi, nil
 }
 
@@ -108,13 +114,22 @@ func (abi ABI) UnpackIntoMap(v map[string]interface{}, name string, data []byte)
 // UnmarshalJSON implements json.Unmarshaler interface
 func (abi *ABI) UnmarshalJSON(data []byte) error {
 	var fields []struct {
-		Type            string
-		Name            string
-		Constant        bool
+		Type    string
+		Name    string
+		Inputs  []Argument
+		Outputs []Argument
+
+		// Status indicator which can be: "pure", "view",
+		// "nonpayable" or "payable".
 		StateMutability string
-		Anonymous       bool
-		Inputs          []Argument
-		Outputs         []Argument
+
+		// Deprecated Status indicators, but removed in v0.6.0.
+		Constant bool // True if function is either pure or view
+		Payable  bool // True if function is payable
+
+		// Event relevant indicator represents the event is
+		// declared as anonymous.
+		Anonymous bool
 	}
 	if err := json.Unmarshal(data, &fields); err != nil {
 		return err
@@ -126,22 +141,82 @@ func (abi *ABI) UnmarshalJSON(data []byte) error {
 		case "constructor":
 			abi.Constructor = Method{
 				Inputs: field.Inputs,
+
+				// Note for constructor the `StateMutability` can only
+				// be payable or nonpayable according to the output of
+				// compiler. So constant is always false.
+				StateMutability: field.StateMutability,
+
+				// Legacy fields, keep them for backward compatibility
+				Constant: field.Constant,
+				Payable:  field.Payable,
 			}
-		// empty defaults to function according to the abi spec
-		case "function", "":
+		case "function":
 			name := field.Name
 			_, ok := abi.Methods[name]
 			for idx := 0; ok; idx++ {
 				name = fmt.Sprintf("%s%d", field.Name, idx)
 				_, ok = abi.Methods[name]
 			}
-			isConst := field.Constant || field.StateMutability == "pure" || field.StateMutability == "view"
 			abi.Methods[name] = Method{
-				Name:    name,
-				RawName: field.Name,
-				Const:   isConst,
-				Inputs:  field.Inputs,
-				Outputs: field.Outputs,
+				Name:            name,
+				RawName:         field.Name,
+				StateMutability: field.StateMutability,
+				Inputs:          field.Inputs,
+				Outputs:         field.Outputs,
+
+				// Legacy fields, keep them for backward compatibility
+				Constant: field.Constant,
+				Payable:  field.Payable,
+			}
+		case "fallback":
+			// New introduced function type in v0.6.0, check more detail
+			// here https://solidity.readthedocs.io/en/v0.6.0/contracts.html#fallback-function
+			if abi.HasFallback() {
+				return errors.New("only single fallback is allowed")
+			}
+			abi.Fallback = Method{
+				Name:    "",
+				RawName: "",
+
+				// The `StateMutability` can only be payable or nonpayable,
+				// so the constant is always false.
+				StateMutability: field.StateMutability,
+				IsFallback:      true,
+
+				// Fallback doesn't have any input or output
+				Inputs:  nil,
+				Outputs: nil,
+
+				// Legacy fields, keep them for backward compatibility
+				Constant: field.Constant,
+				Payable:  field.Payable,
+			}
+		case "receive":
+			// New introduced function type in v0.6.0, check more detail
+			// here https://solidity.readthedocs.io/en/v0.6.0/contracts.html#fallback-function
+			if abi.HasReceive() {
+				return errors.New("only single receive is allowed")
+			}
+			if field.StateMutability != "payable" {
+				return errors.New("the statemutability of receive can only be payable")
+			}
+			abi.Receive = Method{
+				Name:    "",
+				RawName: "",
+
+				// The `StateMutability` can only be payable, so constant
+				// is always true while payable is always false.
+				StateMutability: field.StateMutability,
+				IsReceive:       true,
+
+				// Receive doesn't have any input or output
+				Inputs:  nil,
+				Outputs: nil,
+
+				// Legacy fields, keep them for backward compatibility
+				Constant: field.Constant,
+				Payable:  field.Payable,
 			}
 		case "event":
 			name := field.Name
@@ -158,7 +233,6 @@ func (abi *ABI) UnmarshalJSON(data []byte) error {
 			}
 		}
 	}
-
 	return nil
 }
 
@@ -186,3 +260,13 @@ func (abi *ABI) EventByID(topic common.Hash) (*Event, error) {
 	}
 	return nil, fmt.Errorf("no event with id: %#x", topic.Hex())
 }
+
+// HasFallback returns an indicator whether a fallback function is included.
+func (abi *ABI) HasFallback() bool {
+	return abi.Fallback.IsFallback
+}
+
+// HasReceive returns an indicator whether a receive function is included.
+func (abi *ABI) HasReceive() bool {
+	return abi.Receive.IsReceive
+}
diff --git a/accounts/abi/abi_test.go b/accounts/abi/abi_test.go
index 61ab70eb8..352006cf5 100644
--- a/accounts/abi/abi_test.go
+++ b/accounts/abi/abi_test.go
@@ -31,29 +31,29 @@ import (
 
 const jsondata = `
 [
-	{ "type" : "function", "name" : "balance", "constant" : true },
-	{ "type" : "function", "name" : "send", "constant" : false, "inputs" : [ { "name" : "amount", "type" : "uint256" } ] }
+	{ "type" : "function", "name" : "balance", "stateMutability" : "view" },
+	{ "type" : "function", "name" : "send", "inputs" : [ { "name" : "amount", "type" : "uint256" } ] }
 ]`
 
 const jsondata2 = `
 [
-	{ "type" : "function", "name" : "balance", "constant" : true },
-	{ "type" : "function", "name" : "send", "constant" : false, "inputs" : [ { "name" : "amount", "type" : "uint256" } ] },
-	{ "type" : "function", "name" : "test", "constant" : false, "inputs" : [ { "name" : "number", "type" : "uint32" } ] },
-	{ "type" : "function", "name" : "string", "constant" : false, "inputs" : [ { "name" : "inputs", "type" : "string" } ] },
-	{ "type" : "function", "name" : "bool", "constant" : false, "inputs" : [ { "name" : "inputs", "type" : "bool" } ] },
-	{ "type" : "function", "name" : "address", "constant" : false, "inputs" : [ { "name" : "inputs", "type" : "address" } ] },
-	{ "type" : "function", "name" : "uint64[2]", "constant" : false, "inputs" : [ { "name" : "inputs", "type" : "uint64[2]" } ] },
-	{ "type" : "function", "name" : "uint64[]", "constant" : false, "inputs" : [ { "name" : "inputs", "type" : "uint64[]" } ] },
-	{ "type" : "function", "name" : "foo", "constant" : false, "inputs" : [ { "name" : "inputs", "type" : "uint32" } ] },
-	{ "type" : "function", "name" : "bar", "constant" : false, "inputs" : [ { "name" : "inputs", "type" : "uint32" }, { "name" : "string", "type" : "uint16" } ] },
-	{ "type" : "function", "name" : "slice", "constant" : false, "inputs" : [ { "name" : "inputs", "type" : "uint32[2]" } ] },
-	{ "type" : "function", "name" : "slice256", "constant" : false, "inputs" : [ { "name" : "inputs", "type" : "uint256[2]" } ] },
-	{ "type" : "function", "name" : "sliceAddress", "constant" : false, "inputs" : [ { "name" : "inputs", "type" : "address[]" } ] },
-	{ "type" : "function", "name" : "sliceMultiAddress", "constant" : false, "inputs" : [ { "name" : "a", "type" : "address[]" }, { "name" : "b", "type" : "address[]" } ] },
-	{ "type" : "function", "name" : "nestedArray", "constant" : false, "inputs" : [ { "name" : "a", "type" : "uint256[2][2]" }, { "name" : "b", "type" : "address[]" } ] },
-	{ "type" : "function", "name" : "nestedArray2", "constant" : false, "inputs" : [ { "name" : "a", "type" : "uint8[][2]" } ] },
-	{ "type" : "function", "name" : "nestedSlice", "constant" : false, "inputs" : [ { "name" : "a", "type" : "uint8[][]" } ] }
+	{ "type" : "function", "name" : "balance", "stateMutability" : "view" },
+	{ "type" : "function", "name" : "send", "inputs" : [ { "name" : "amount", "type" : "uint256" } ] },
+	{ "type" : "function", "name" : "test", "inputs" : [ { "name" : "number", "type" : "uint32" } ] },
+	{ "type" : "function", "name" : "string", "inputs" : [ { "name" : "inputs", "type" : "string" } ] },
+	{ "type" : "function", "name" : "bool", "inputs" : [ { "name" : "inputs", "type" : "bool" } ] },
+	{ "type" : "function", "name" : "address", "inputs" : [ { "name" : "inputs", "type" : "address" } ] },
+	{ "type" : "function", "name" : "uint64[2]", "inputs" : [ { "name" : "inputs", "type" : "uint64[2]" } ] },
+	{ "type" : "function", "name" : "uint64[]", "inputs" : [ { "name" : "inputs", "type" : "uint64[]" } ] },
+	{ "type" : "function", "name" : "foo", "inputs" : [ { "name" : "inputs", "type" : "uint32" } ] },
+	{ "type" : "function", "name" : "bar", "inputs" : [ { "name" : "inputs", "type" : "uint32" }, { "name" : "string", "type" : "uint16" } ] },
+	{ "type" : "function", "name" : "slice", "inputs" : [ { "name" : "inputs", "type" : "uint32[2]" } ] },
+	{ "type" : "function", "name" : "slice256", "inputs" : [ { "name" : "inputs", "type" : "uint256[2]" } ] },
+	{ "type" : "function", "name" : "sliceAddress", "inputs" : [ { "name" : "inputs", "type" : "address[]" } ] },
+	{ "type" : "function", "name" : "sliceMultiAddress", "inputs" : [ { "name" : "a", "type" : "address[]" }, { "name" : "b", "type" : "address[]" } ] },
+	{ "type" : "function", "name" : "nestedArray", "inputs" : [ { "name" : "a", "type" : "uint256[2][2]" }, { "name" : "b", "type" : "address[]" } ] },
+	{ "type" : "function", "name" : "nestedArray2", "inputs" : [ { "name" : "a", "type" : "uint8[][2]" } ] },
+	{ "type" : "function", "name" : "nestedSlice", "inputs" : [ { "name" : "a", "type" : "uint8[][]" } ] }
 ]`
 
 func TestReader(t *testing.T) {
@@ -61,10 +61,10 @@ func TestReader(t *testing.T) {
 	exp := ABI{
 		Methods: map[string]Method{
 			"balance": {
-				"balance", "balance", true, nil, nil,
+				"balance", "balance", "view", false, false, false, false, nil, nil,
 			},
 			"send": {
-				"send", "send", false, []Argument{
+				"send", "send", "", false, false, false, false, []Argument{
 					{"amount", Uint256, false},
 				}, nil,
 			},
@@ -173,7 +173,7 @@ func TestTestSlice(t *testing.T) {
 
 func TestMethodSignature(t *testing.T) {
 	String, _ := NewType("string", "", nil)
-	m := Method{"foo", "foo", false, []Argument{{"bar", String, false}, {"baz", String, false}}, nil}
+	m := Method{"foo", "foo", "", false, false, false, false, []Argument{{"bar", String, false}, {"baz", String, false}}, nil}
 	exp := "foo(string,string)"
 	if m.Sig() != exp {
 		t.Error("signature mismatch", exp, "!=", m.Sig())
@@ -185,7 +185,7 @@ func TestMethodSignature(t *testing.T) {
 	}
 
 	uintt, _ := NewType("uint256", "", nil)
-	m = Method{"foo", "foo", false, []Argument{{"bar", uintt, false}}, nil}
+	m = Method{"foo", "foo", "", false, false, false, false, []Argument{{"bar", uintt, false}}, nil}
 	exp = "foo(uint256)"
 	if m.Sig() != exp {
 		t.Error("signature mismatch", exp, "!=", m.Sig())
@@ -204,7 +204,7 @@ func TestMethodSignature(t *testing.T) {
 			{Name: "y", Type: "int256"},
 		}},
 	})
-	m = Method{"foo", "foo", false, []Argument{{"s", s, false}, {"bar", String, false}}, nil}
+	m = Method{"foo", "foo", "", false, false, false, false, []Argument{{"s", s, false}, {"bar", String, false}}, nil}
 	exp = "foo((int256,int256[],(int256,int256)[],(int256,int256)[2]),string)"
 	if m.Sig() != exp {
 		t.Error("signature mismatch", exp, "!=", m.Sig())
@@ -582,7 +582,7 @@ func TestInputFixedArrayAndVariableInputLength(t *testing.T) {
 }
 
 func TestDefaultFunctionParsing(t *testing.T) {
-	const definition = `[{ "name" : "balance" }]`
+	const definition = `[{ "name" : "balance", "type" : "function" }]`
 
 	abi, err := JSON(strings.NewReader(definition))
 	if err != nil {
diff --git a/accounts/abi/bind/base.go b/accounts/abi/bind/base.go
index 499b4bda0..e69e3afa5 100644
--- a/accounts/abi/bind/base.go
+++ b/accounts/abi/bind/base.go
@@ -171,12 +171,24 @@ func (c *BoundContract) Transact(opts *TransactOpts, method string, params ...in
 	if err != nil {
 		return nil, err
 	}
+	// todo(rjl493456442) check the method is payable or not,
+	// reject invalid transaction at the first place
 	return c.transact(opts, &c.address, input)
 }
 
+// RawTransact initiates a transaction with the given raw calldata as the input.
+// It's usually used to initiates transaction for invoking **Fallback** function.
+func (c *BoundContract) RawTransact(opts *TransactOpts, calldata []byte) (*types.Transaction, error) {
+	// todo(rjl493456442) check the method is payable or not,
+	// reject invalid transaction at the first place
+	return c.transact(opts, &c.address, calldata)
+}
+
 // Transfer initiates a plain transaction to move funds to the contract, calling
 // its default method if one is available.
 func (c *BoundContract) Transfer(opts *TransactOpts) (*types.Transaction, error) {
+	// todo(rjl493456442) check the payable fallback or receive is defined
+	// or not, reject invalid transaction at the first place
 	return c.transact(opts, &c.address, nil)
 }
 
diff --git a/accounts/abi/bind/bind.go b/accounts/abi/bind/bind.go
index 13ac286b4..c98f8b4d4 100644
--- a/accounts/abi/bind/bind.go
+++ b/accounts/abi/bind/bind.go
@@ -77,6 +77,8 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
 			calls     = make(map[string]*tmplMethod)
 			transacts = make(map[string]*tmplMethod)
 			events    = make(map[string]*tmplEvent)
+			fallback  *tmplMethod
+			receive   *tmplMethod
 
 			// identifiers are used to detect duplicated identifier of function
 			// and event. For all calls, transacts and events, abigen will generate
@@ -92,7 +94,7 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
 			normalizedName := methodNormalizer[lang](alias(aliases, original.Name))
 			// Ensure there is no duplicated identifier
 			var identifiers = callIdentifiers
-			if !original.Const {
+			if !original.IsConstant() {
 				identifiers = transactIdentifiers
 			}
 			if identifiers[normalizedName] {
@@ -121,7 +123,7 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
 				}
 			}
 			// Append the methods to the call or transact lists
-			if original.Const {
+			if original.IsConstant() {
 				calls[original.Name] = &tmplMethod{Original: original, Normalized: normalized, Structured: structured(original.Outputs)}
 			} else {
 				transacts[original.Name] = &tmplMethod{Original: original, Normalized: normalized, Structured: structured(original.Outputs)}
@@ -156,7 +158,13 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
 			// Append the event to the accumulator list
 			events[original.Name] = &tmplEvent{Original: original, Normalized: normalized}
 		}
-
+		// Add two special fallback functions if they exist
+		if evmABI.HasFallback() {
+			fallback = &tmplMethod{Original: evmABI.Fallback}
+		}
+		if evmABI.HasReceive() {
+			receive = &tmplMethod{Original: evmABI.Receive}
+		}
 		// There is no easy way to pass arbitrary java objects to the Go side.
 		if len(structs) > 0 && lang == LangJava {
 			return "", errors.New("java binding for tuple arguments is not supported yet")
@@ -169,6 +177,8 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
 			Constructor: evmABI.Constructor,
 			Calls:       calls,
 			Transacts:   transacts,
+			Fallback:    fallback,
+			Receive:     receive,
 			Events:      events,
 			Libraries:   make(map[string]string),
 		}
@@ -619,11 +629,22 @@ func formatMethod(method abi.Method, structs map[string]*tmplStruct) string {
 			outputs[i] += fmt.Sprintf(" %v", output.Name)
 		}
 	}
-	constant := ""
-	if method.Const {
-		constant = "constant "
+	// Extract meaningful state mutability of solidity method.
+	// If it's default value, never print it.
+	state := method.StateMutability
+	if state == "nonpayable" {
+		state = ""
 	}
-	return fmt.Sprintf("function %v(%v) %sreturns(%v)", method.RawName, strings.Join(inputs, ", "), constant, strings.Join(outputs, ", "))
+	if state != "" {
+		state = state + " "
+	}
+	identity := fmt.Sprintf("function %v", method.RawName)
+	if method.IsFallback {
+		identity = "fallback"
+	} else if method.IsReceive {
+		identity = "receive"
+	}
+	return fmt.Sprintf("%s(%v) %sreturns(%v)", identity, strings.Join(inputs, ", "), state, strings.Join(outputs, ", "))
 }
 
 // formatEvent transforms raw event representation into a user friendly one.
diff --git a/accounts/abi/bind/bind_test.go b/accounts/abi/bind/bind_test.go
index bbc6d8a45..7add7110a 100644
--- a/accounts/abi/bind/bind_test.go
+++ b/accounts/abi/bind/bind_test.go
@@ -1585,6 +1585,99 @@ var bindTests = []struct {
 		nil,
 		nil,
 	},
+	// Test fallback separation introduced in v0.6.0
+	{
+		`NewFallbacks`,
+		`
+		pragma solidity >=0.6.0 <0.7.0;
+	
+		contract NewFallbacks {
+			event Fallback(bytes data);
+			fallback() external {
+				bytes memory data;
+				assembly {
+					calldatacopy(data, 0, calldatasize())
+				}
+				emit Fallback(data);
+			}
+	
+			event Received(address addr, uint value);
+			receive() external payable {
+				emit Received(msg.sender, msg.value);
+			}
+		}
+	   `,
+		[]string{"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"},
+		[]string{`[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"Fallback","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"addr","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Received","type":"event"},{"stateMutability":"nonpayable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]`},
+		`
+			"bytes"
+			"math/big"
+	
+			"github.com/ethereum/go-ethereum/accounts/abi/bind"
+			"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
+			"github.com/ethereum/go-ethereum/core"
+			"github.com/ethereum/go-ethereum/crypto"
+	   `,
+		`
+			key, _ := crypto.GenerateKey()
+			addr := crypto.PubkeyToAddress(key.PublicKey)
+	
+			sim := backends.NewSimulatedBackend(core.GenesisAlloc{addr: {Balance: big.NewInt(1000000000)}}, 1000000)
+			defer sim.Close()
+	
+			opts := bind.NewKeyedTransactor(key)
+			_, _, c, err := DeployNewFallbacks(opts, sim)
+			if err != nil {
+				t.Fatalf("Failed to deploy contract: %v", err)
+			}
+			sim.Commit()
+	
+			// Test receive function
+			opts.Value = big.NewInt(100)
+			c.Receive(opts)
+			sim.Commit()
+	
+			var gotEvent bool
+			iter, _ := c.FilterReceived(nil)
+			defer iter.Close()
+			for iter.Next() {
+				if iter.Event.Addr != addr {
+					t.Fatal("Msg.sender mismatch")
+				}
+				if iter.Event.Value.Uint64() != 100 {
+					t.Fatal("Msg.value mismatch")
+				}
+				gotEvent = true
+				break
+			}
+			if !gotEvent {
+				t.Fatal("Expect to receive event emitted by receive")
+			}
+	
+			// Test fallback function
+			opts.Value = nil
+			calldata := []byte{0x01, 0x02, 0x03}
+			c.Fallback(opts, calldata)
+			sim.Commit()
+	
+			iter2, _ := c.FilterFallback(nil)
+			defer iter2.Close()
+			for iter2.Next() {
+				if !bytes.Equal(iter2.Event.Data, calldata) {
+					t.Fatal("calldata mismatch")
+				}
+				gotEvent = true
+				break
+			}
+			if !gotEvent {
+				t.Fatal("Expect to receive event emitted by fallback")
+			}
+	   `,
+		nil,
+		nil,
+		nil,
+		nil,
+	},
 }
 
 // Tests that packages generated by the binder can be successfully compiled and
@@ -1720,13 +1813,10 @@ package bindtest;
 import org.ethereum.geth.*;
 import java.util.*;
 
-
-
 public class Test {
 	// ABI is the input ABI used to generate the binding from.
 	public final static String ABI = "[{\"constant\":false,\"inputs\":[{\"name\":\"u16\",\"type\":\"uint16\"}],\"name\":\"setUint16\",\"outputs\":[{\"name\":\"\",\"type\":\"uint16\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b_a\",\"type\":\"bool[2]\"}],\"name\":\"setBoolArray\",\"outputs\":[{\"name\":\"\",\"type\":\"bool[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a_a\",\"type\":\"address[2]\"}],\"name\":\"setAddressArray\",\"outputs\":[{\"name\":\"\",\"type\":\"address[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs_l\",\"type\":\"bytes[]\"}],\"name\":\"setBytesList\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u8\",\"type\":\"uint8\"}],\"name\":\"setUint8\",\"outputs\":[{\"name\":\"\",\"type\":\"uint8\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u32\",\"type\":\"uint32\"}],\"name\":\"setUint32\",\"outputs\":[{\"name\":\"\",\"type\":\"uint32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b\",\"type\":\"bool\"}],\"name\":\"setBool\",\"outputs\":[{\"name\":\"\",\"type\":\"bool\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256_l\",\"type\":\"int256[]\"}],\"name\":\"setInt256List\",\"outputs\":[{\"name\":\"\",\"type\":\"int256[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256_a\",\"type\":\"uint256[2]\"}],\"name\":\"setUint256Array\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b_l\",\"type\":\"bool[]\"}],\"name\":\"setBoolList\",\"outputs\":[{\"name\":\"\",\"type\":\"bool[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs_a\",\"type\":\"bytes[2]\"}],\"name\":\"setBytesArray\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a_l\",\"type\":\"address[]\"}],\"name\":\"setAddressList\",\"outputs\":[{\"name\":\"\",\"type\":\"address[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256_a\",\"type\":\"int256[2]\"}],\"name\":\"setInt256Array\",\"outputs\":[{\"name\":\"\",\"type\":\"int256[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s_a\",\"type\":\"string[2]\"}],\"name\":\"setStringArray\",\"outputs\":[{\"name\":\"\",\"type\":\"string[2]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s\",\"type\":\"string\"}],\"name\":\"setString\",\"outputs\":[{\"name\":\"\",\"type\":\"string\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u64\",\"type\":\"uint64\"}],\"name\":\"setUint64\",\"outputs\":[{\"name\":\"\",\"type\":\"uint64\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i16\",\"type\":\"int16\"}],\"name\":\"setInt16\",\"outputs\":[{\"name\":\"\",\"type\":\"int16\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i8\",\"type\":\"int8\"}],\"name\":\"setInt8\",\"outputs\":[{\"name\":\"\",\"type\":\"int8\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256_l\",\"type\":\"uint256[]\"}],\"name\":\"setUint256List\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i256\",\"type\":\"int256\"}],\"name\":\"setInt256\",\"outputs\":[{\"name\":\"\",\"type\":\"int256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i32\",\"type\":\"int32\"}],\"name\":\"setInt32\",\"outputs\":[{\"name\":\"\",\"type\":\"int32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b32\",\"type\":\"bytes32\"}],\"name\":\"setBytes32\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes32\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"s_l\",\"type\":\"string[]\"}],\"name\":\"setStringList\",\"outputs\":[{\"name\":\"\",\"type\":\"string[]\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"u256\",\"type\":\"uint256\"}],\"name\":\"setUint256\",\"outputs\":[{\"name\":\"\",\"type\":\"uint256\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"bs\",\"type\":\"bytes\"}],\"name\":\"setBytes\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"a\",\"type\":\"address\"}],\"name\":\"setAddress\",\"outputs\":[{\"name\":\"\",\"type\":\"address\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"i64\",\"type\":\"int64\"}],\"name\":\"setInt64\",\"outputs\":[{\"name\":\"\",\"type\":\"int64\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"constant\":false,\"inputs\":[{\"name\":\"b1\",\"type\":\"bytes1\"}],\"name\":\"setBytes1\",\"outputs\":[{\"name\":\"\",\"type\":\"bytes1\"}],\"payable\":false,\"stateMutability\":\"nonpayable\",\"type\":\"function\"}]";
 	
-	
 	// BYTECODE is the compiled bytecode used for deploying new contracts.
 	public final static String BYTECODE = 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
@@ -1734,8 +1824,6 @@ public class Test {
 	public static Test deploy(TransactOpts auth, EthereumClient client) throws Exception {
 		Interfaces args = Geth.newInterfaces(0);
 		String bytecode = BYTECODE;
-		
-		
 		return new Test(Geth.deployContract(auth, ABI, Geth.decodeFromHex(bytecode), client, args));
 	}
 
@@ -1746,7 +1834,6 @@ public class Test {
 		this.Contract = deployment;
 	}
 	
-
 	// Ethereum address where this contract is located at.
 	public final Address Address;
 
@@ -1761,9 +1848,6 @@ public class Test {
 		this(Geth.bindContract(address, ABI, client));
 	}
 
-	
-
-	
 	// setAddress is a paid mutator transaction binding the contract method 0xe30081a0.
 	//
 	// Solidity: function setAddress(address a) returns(address)
@@ -2043,9 +2127,7 @@ public class Test {
 		
 		return this.Contract.transact(opts, "setUint8"	, args);
 	}
-	
 }
-
 `,
 		},
 	}
@@ -2054,7 +2136,22 @@ public class Test {
 		if err != nil {
 			t.Fatalf("test %d: failed to generate binding: %v", i, err)
 		}
-		if binding != c.expected {
+		// Remove empty lines
+		removeEmptys := func(input string) string {
+			lines := strings.Split(input, "\n")
+			var index int
+			for _, line := range lines {
+				if strings.TrimSpace(line) != "" {
+					lines[index] = line
+					index += 1
+				}
+			}
+			lines = lines[:index]
+			return strings.Join(lines, "\n")
+		}
+		binding = removeEmptys(binding)
+		expect := removeEmptys(c.expected)
+		if binding != expect {
 			t.Fatalf("test %d: generated binding mismatch, has %s, want %s", i, binding, c.expected)
 		}
 	}
diff --git a/accounts/abi/bind/template.go b/accounts/abi/bind/template.go
index c96dd1b99..c361a49f8 100644
--- a/accounts/abi/bind/template.go
+++ b/accounts/abi/bind/template.go
@@ -35,6 +35,8 @@ type tmplContract struct {
 	Constructor abi.Method             // Contract constructor for deploy parametrization
 	Calls       map[string]*tmplMethod // Contract calls that only read state data
 	Transacts   map[string]*tmplMethod // Contract calls that write state data
+	Fallback    *tmplMethod            // Additional special fallback function
+	Receive     *tmplMethod            // Additional special receive function
 	Events      map[string]*tmplEvent  // Contract events accessors
 	Libraries   map[string]string      // Same as tmplData, but filtered to only keep what the contract needs
 	Library     bool                   // Indicator whether the contract is a library
@@ -351,6 +353,52 @@ var (
 		}
 	{{end}}
 
+	{{if .Fallback}} 
+		// Fallback is a paid mutator transaction binding the contract fallback function.
+		//
+		// Solidity: {{formatmethod .Fallback.Original $structs}}
+		func (_{{$contract.Type}} *{{$contract.Type}}Transactor) Fallback(opts *bind.TransactOpts, calldata []byte) (*types.Transaction, error) {
+			return _{{$contract.Type}}.contract.RawTransact(opts, calldata)
+		}
+
+		// Fallback is a paid mutator transaction binding the contract fallback function.
+		//
+		// Solidity: {{formatmethod .Fallback.Original $structs}}
+		func (_{{$contract.Type}} *{{$contract.Type}}Session) Fallback(calldata []byte) (*types.Transaction, error) {
+		  return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata)
+		}
+	
+		// Fallback is a paid mutator transaction binding the contract fallback function.
+		// 
+		// Solidity: {{formatmethod .Fallback.Original $structs}}
+		func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Fallback(calldata []byte) (*types.Transaction, error) {
+		  return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata)
+		}
+	{{end}}
+
+	{{if .Receive}} 
+		// Receive is a paid mutator transaction binding the contract receive function.
+		//
+		// Solidity: {{formatmethod .Receive.Original $structs}}
+		func (_{{$contract.Type}} *{{$contract.Type}}Transactor) Receive(opts *bind.TransactOpts) (*types.Transaction, error) {
+			return _{{$contract.Type}}.contract.RawTransact(opts, nil) // calldata is disallowed for receive function
+		}
+
+		// Receive is a paid mutator transaction binding the contract receive function.
+		//
+		// Solidity: {{formatmethod .Receive.Original $structs}}
+		func (_{{$contract.Type}} *{{$contract.Type}}Session) Receive() (*types.Transaction, error) {
+		  return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts)
+		}
+	
+		// Receive is a paid mutator transaction binding the contract receive function.
+		// 
+		// Solidity: {{formatmethod .Receive.Original $structs}}
+		func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Receive() (*types.Transaction, error) {
+		  return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts)
+		}
+	{{end}}
+
 	{{range .Events}}
 		// {{$contract.Type}}{{.Normalized.Name}}Iterator is returned from Filter{{.Normalized.Name}} and is used to iterate over the raw logs and unpacked data for {{.Normalized.Name}} events raised by the {{$contract.Type}} contract.
 		type {{$contract.Type}}{{.Normalized.Name}}Iterator struct {
@@ -611,6 +659,24 @@ import java.util.*;
 		return this.Contract.transact(opts, "{{.Original.Name}}"	, args);
 	}
 	{{end}}
+
+    {{if .Fallback}}
+	// Fallback is a paid mutator transaction binding the contract fallback function.
+	//
+	// Solidity: {{formatmethod .Fallback.Original $structs}}
+	public Transaction Fallback(TransactOpts opts, byte[] calldata) throws Exception { 
+		return this.Contract.rawTransact(opts, calldata);
+	}
+    {{end}}
+
+    {{if .Receive}}
+	// Receive is a paid mutator transaction binding the contract receive function.
+	//
+	// Solidity: {{formatmethod .Receive.Original $structs}}
+	public Transaction Receive(TransactOpts opts) throws Exception { 
+		return this.Contract.rawTransact(opts, null);
+	}
+    {{end}}
 }
 {{end}}
 `
diff --git a/accounts/abi/method.go b/accounts/abi/method.go
index 7da2e18fc..217c3d2e6 100644
--- a/accounts/abi/method.go
+++ b/accounts/abi/method.go
@@ -41,10 +41,23 @@ type Method struct {
 	// * foo(uint,uint)
 	// The method name of the first one will be resolved as foo while the second one
 	// will be resolved as foo0.
-	Name string
-	// RawName is the raw method name parsed from ABI.
-	RawName string
-	Const   bool
+	Name    string
+	RawName string // RawName is the raw method name parsed from ABI
+
+	// StateMutability indicates the mutability state of method,
+	// the default value is nonpayable. It can be empty if the abi
+	// is generated by legacy compiler.
+	StateMutability string
+
+	// Legacy indicators generated by compiler before v0.6.0
+	Constant bool
+	Payable  bool
+
+	// The following two flags indicates whether the method is a
+	// special fallback introduced in solidity v0.6.0
+	IsFallback bool
+	IsReceive  bool
+
 	Inputs  Arguments
 	Outputs Arguments
 }
@@ -57,6 +70,11 @@ type Method struct {
 //
 // Please note that "int" is substitute for its canonical representation "int256"
 func (method Method) Sig() string {
+	// Short circuit if the method is special. Fallback
+	// and Receive don't have signature at all.
+	if method.IsFallback || method.IsReceive {
+		return ""
+	}
 	types := make([]string, len(method.Inputs))
 	for i, input := range method.Inputs {
 		types[i] = input.Type.String()
@@ -76,11 +94,22 @@ func (method Method) String() string {
 			outputs[i] += fmt.Sprintf(" %v", output.Name)
 		}
 	}
-	constant := ""
-	if method.Const {
-		constant = "constant "
+	// Extract meaningful state mutability of solidity method.
+	// If it's default value, never print it.
+	state := method.StateMutability
+	if state == "nonpayable" {
+		state = ""
 	}
-	return fmt.Sprintf("function %v(%v) %sreturns(%v)", method.RawName, strings.Join(inputs, ", "), constant, strings.Join(outputs, ", "))
+	if state != "" {
+		state = state + " "
+	}
+	identity := fmt.Sprintf("function %v", method.RawName)
+	if method.IsFallback {
+		identity = "fallback"
+	} else if method.IsReceive {
+		identity = "receive"
+	}
+	return fmt.Sprintf("%v(%v) %sreturns(%v)", identity, strings.Join(inputs, ", "), state, strings.Join(outputs, ", "))
 }
 
 // ID returns the canonical representation of the method's signature used by the
@@ -88,3 +117,14 @@ func (method Method) String() string {
 func (method Method) ID() []byte {
 	return crypto.Keccak256([]byte(method.Sig()))[:4]
 }
+
+// IsConstant returns the indicator whether the method is read-only.
+func (method Method) IsConstant() bool {
+	return method.StateMutability == "view" || method.StateMutability == "pure" || method.Constant
+}
+
+// IsPayable returns the indicator whether the method can process
+// plain ether transfers.
+func (method Method) IsPayable() bool {
+	return method.StateMutability == "payable" || method.Payable
+}
diff --git a/accounts/abi/method_test.go b/accounts/abi/method_test.go
index 3ffdb702b..ea176bf4e 100644
--- a/accounts/abi/method_test.go
+++ b/accounts/abi/method_test.go
@@ -23,13 +23,15 @@ import (
 
 const methoddata = `
 [
-	{"type": "function", "name": "balance", "constant": true },
-	{"type": "function", "name": "send", "constant": false, "inputs": [{ "name": "amount", "type": "uint256" }]},
-	{"type": "function", "name": "transfer", "constant": false, "inputs": [{"name": "from", "type": "address"}, {"name": "to", "type": "address"}, {"name": "value", "type": "uint256"}], "outputs": [{"name": "success", "type": "bool"}]},
+	{"type": "function", "name": "balance", "stateMutability": "view"},
+	{"type": "function", "name": "send", "inputs": [{ "name": "amount", "type": "uint256" }]},
+	{"type": "function", "name": "transfer", "inputs": [{"name": "from", "type": "address"}, {"name": "to", "type": "address"}, {"name": "value", "type": "uint256"}], "outputs": [{"name": "success", "type": "bool"}]},
 	{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple"}],"name":"tuple","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
 	{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[]"}],"name":"tupleSlice","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
 	{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[5]"}],"name":"tupleArray","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
-	{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[5][]"}],"name":"complexTuple","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}
+	{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[5][]"}],"name":"complexTuple","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
+	{"stateMutability":"nonpayable","type":"fallback"},
+	{"stateMutability":"payable","type":"receive"}
 ]`
 
 func TestMethodString(t *testing.T) {
@@ -39,7 +41,7 @@ func TestMethodString(t *testing.T) {
 	}{
 		{
 			method:      "balance",
-			expectation: "function balance() constant returns()",
+			expectation: "function balance() view returns()",
 		},
 		{
 			method:      "send",
@@ -65,6 +67,14 @@ func TestMethodString(t *testing.T) {
 			method:      "complexTuple",
 			expectation: "function complexTuple((uint256,uint256)[5][] a) returns()",
 		},
+		{
+			method:      "fallback",
+			expectation: "fallback() returns()",
+		},
+		{
+			method:      "receive",
+			expectation: "receive() payable returns()",
+		},
 	}
 
 	abi, err := JSON(strings.NewReader(methoddata))
@@ -73,7 +83,14 @@ func TestMethodString(t *testing.T) {
 	}
 
 	for _, test := range table {
-		got := abi.Methods[test.method].String()
+		var got string
+		if test.method == "fallback" {
+			got = abi.Fallback.String()
+		} else if test.method == "receive" {
+			got = abi.Receive.String()
+		} else {
+			got = abi.Methods[test.method].String()
+		}
 		if got != test.expectation {
 			t.Errorf("expected string to be %s, got %s", test.expectation, got)
 		}
diff --git a/accounts/abi/unpack_test.go b/accounts/abi/unpack_test.go
index ab343042b..0622e0adc 100644
--- a/accounts/abi/unpack_test.go
+++ b/accounts/abi/unpack_test.go
@@ -443,7 +443,7 @@ var unpackTests = []unpackTest{
 func TestUnpack(t *testing.T) {
 	for i, test := range unpackTests {
 		t.Run(strconv.Itoa(i), func(t *testing.T) {
-			def := fmt.Sprintf(`[{ "name" : "method", "outputs": %s}]`, test.def)
+			def := fmt.Sprintf(`[{ "name" : "method", "type": "function", "outputs": %s}]`, test.def)
 			abi, err := JSON(strings.NewReader(def))
 			if err != nil {
 				t.Fatalf("invalid ABI definition %s: %v", def, err)
@@ -522,7 +522,7 @@ type methodMultiOutput struct {
 
 func methodMultiReturn(require *require.Assertions) (ABI, []byte, methodMultiOutput) {
 	const definition = `[
-	{ "name" : "multi", "constant" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
+	{ "name" : "multi", "type": "function", "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
 	var expected = methodMultiOutput{big.NewInt(1), "hello"}
 
 	abi, err := JSON(strings.NewReader(definition))
@@ -611,7 +611,7 @@ func TestMethodMultiReturn(t *testing.T) {
 }
 
 func TestMultiReturnWithArray(t *testing.T) {
-	const definition = `[{"name" : "multi", "outputs": [{"type": "uint64[3]"}, {"type": "uint64"}]}]`
+	const definition = `[{"name" : "multi", "type": "function", "outputs": [{"type": "uint64[3]"}, {"type": "uint64"}]}]`
 	abi, err := JSON(strings.NewReader(definition))
 	if err != nil {
 		t.Fatal(err)
@@ -634,7 +634,7 @@ func TestMultiReturnWithArray(t *testing.T) {
 }
 
 func TestMultiReturnWithStringArray(t *testing.T) {
-	const definition = `[{"name" : "multi", "outputs": [{"name": "","type": "uint256[3]"},{"name": "","type": "address"},{"name": "","type": "string[2]"},{"name": "","type": "bool"}]}]`
+	const definition = `[{"name" : "multi", "type": "function", "outputs": [{"name": "","type": "uint256[3]"},{"name": "","type": "address"},{"name": "","type": "string[2]"},{"name": "","type": "bool"}]}]`
 	abi, err := JSON(strings.NewReader(definition))
 	if err != nil {
 		t.Fatal(err)
@@ -664,7 +664,7 @@ func TestMultiReturnWithStringArray(t *testing.T) {
 }
 
 func TestMultiReturnWithStringSlice(t *testing.T) {
-	const definition = `[{"name" : "multi", "outputs": [{"name": "","type": "string[]"},{"name": "","type": "uint256[]"}]}]`
+	const definition = `[{"name" : "multi", "type": "function", "outputs": [{"name": "","type": "string[]"},{"name": "","type": "uint256[]"}]}]`
 	abi, err := JSON(strings.NewReader(definition))
 	if err != nil {
 		t.Fatal(err)
@@ -700,7 +700,7 @@ func TestMultiReturnWithDeeplyNestedArray(t *testing.T) {
 	//  values of nested static arrays count towards the size as well, and any element following
 	//  after such nested array argument should be read with the correct offset,
 	//  so that it does not read content from the previous array argument.
-	const definition = `[{"name" : "multi", "outputs": [{"type": "uint64[3][2][4]"}, {"type": "uint64"}]}]`
+	const definition = `[{"name" : "multi", "type": "function", "outputs": [{"type": "uint64[3][2][4]"}, {"type": "uint64"}]}]`
 	abi, err := JSON(strings.NewReader(definition))
 	if err != nil {
 		t.Fatal(err)
@@ -737,15 +737,15 @@ func TestMultiReturnWithDeeplyNestedArray(t *testing.T) {
 
 func TestUnmarshal(t *testing.T) {
 	const definition = `[
-	{ "name" : "int", "constant" : false, "outputs": [ { "type": "uint256" } ] },
-	{ "name" : "bool", "constant" : false, "outputs": [ { "type": "bool" } ] },
-	{ "name" : "bytes", "constant" : false, "outputs": [ { "type": "bytes" } ] },
-	{ "name" : "fixed", "constant" : false, "outputs": [ { "type": "bytes32" } ] },
-	{ "name" : "multi", "constant" : false, "outputs": [ { "type": "bytes" }, { "type": "bytes" } ] },
-	{ "name" : "intArraySingle", "constant" : false, "outputs": [ { "type": "uint256[3]" } ] },
-	{ "name" : "addressSliceSingle", "constant" : false, "outputs": [ { "type": "address[]" } ] },
-	{ "name" : "addressSliceDouble", "constant" : false, "outputs": [ { "name": "a", "type": "address[]" }, { "name": "b", "type": "address[]" } ] },
-	{ "name" : "mixedBytes", "constant" : true, "outputs": [ { "name": "a", "type": "bytes" }, { "name": "b", "type": "bytes32" } ] }]`
+	{ "name" : "int", "type": "function", "outputs": [ { "type": "uint256" } ] },
+	{ "name" : "bool", "type": "function", "outputs": [ { "type": "bool" } ] },
+	{ "name" : "bytes", "type": "function", "outputs": [ { "type": "bytes" } ] },
+	{ "name" : "fixed", "type": "function", "outputs": [ { "type": "bytes32" } ] },
+	{ "name" : "multi", "type": "function", "outputs": [ { "type": "bytes" }, { "type": "bytes" } ] },
+	{ "name" : "intArraySingle", "type": "function", "outputs": [ { "type": "uint256[3]" } ] },
+	{ "name" : "addressSliceSingle", "type": "function", "outputs": [ { "type": "address[]" } ] },
+	{ "name" : "addressSliceDouble", "type": "function", "outputs": [ { "name": "a", "type": "address[]" }, { "name": "b", "type": "address[]" } ] },
+	{ "name" : "mixedBytes", "type": "function", "stateMutability" : "view", "outputs": [ { "name": "a", "type": "bytes" }, { "name": "b", "type": "bytes32" } ] }]`
 
 	abi, err := JSON(strings.NewReader(definition))
 	if err != nil {
@@ -985,7 +985,7 @@ func TestUnmarshal(t *testing.T) {
 }
 
 func TestUnpackTuple(t *testing.T) {
-	const simpleTuple = `[{"name":"tuple","constant":false,"outputs":[{"type":"tuple","name":"ret","components":[{"type":"int256","name":"a"},{"type":"int256","name":"b"}]}]}]`
+	const simpleTuple = `[{"name":"tuple","type":"function","outputs":[{"type":"tuple","name":"ret","components":[{"type":"int256","name":"a"},{"type":"int256","name":"b"}]}]}]`
 	abi, err := JSON(strings.NewReader(simpleTuple))
 	if err != nil {
 		t.Fatal(err)
@@ -1014,7 +1014,7 @@ func TestUnpackTuple(t *testing.T) {
 	}
 
 	// Test nested tuple
-	const nestedTuple = `[{"name":"tuple","constant":false,"outputs":[
+	const nestedTuple = `[{"name":"tuple","type":"function","outputs":[
 		{"type":"tuple","name":"s","components":[{"type":"uint256","name":"a"},{"type":"uint256[]","name":"b"},{"type":"tuple[]","name":"c","components":[{"name":"x", "type":"uint256"},{"name":"y","type":"uint256"}]}]},
 		{"type":"tuple","name":"t","components":[{"name":"x", "type":"uint256"},{"name":"y","type":"uint256"}]},
 		{"type":"uint256","name":"a"}
@@ -1136,7 +1136,7 @@ func TestOOMMaliciousInput(t *testing.T) {
 		},
 	}
 	for i, test := range oomTests {
-		def := fmt.Sprintf(`[{ "name" : "method", "outputs": %s}]`, test.def)
+		def := fmt.Sprintf(`[{ "name" : "method", "type": "function", "outputs": %s}]`, test.def)
 		abi, err := JSON(strings.NewReader(def))
 		if err != nil {
 			t.Fatalf("invalid ABI definition %s: %v", def, err)
diff --git a/les/utils/expiredvalue.go b/les/utils/expiredvalue.go
index 2d6e5d4bb..85f9b88b7 100644
--- a/les/utils/expiredvalue.go
+++ b/les/utils/expiredvalue.go
@@ -92,7 +92,10 @@ func (e *ExpiredValue) Add(amount int64, logOffset Fixed64) int64 {
 		e.Exp = integer
 	}
 	if base >= 0 || uint64(-base) <= e.Base {
-		e.Base += uint64(base)
+		// This is a temporary fix to circumvent a golang
+		// uint conversion issue on arm64, which needs to
+		// be investigated further. FIXME
+		e.Base = uint64(int64(e.Base) + int64(base))
 		return amount
 	}
 	net := int64(-float64(e.Base) / factor)
diff --git a/les/utils/expiredvalue_test.go b/les/utils/expiredvalue_test.go
index 4894a12b1..fa22d5827 100644
--- a/les/utils/expiredvalue_test.go
+++ b/les/utils/expiredvalue_test.go
@@ -16,7 +16,9 @@
 
 package utils
 
-import "testing"
+import (
+	"testing"
+)
 
 func TestValueExpiration(t *testing.T) {
 	var cases = []struct {
diff --git a/mobile/bind.go b/mobile/bind.go
index dc3f32b15..9b4c0bb0e 100644
--- a/mobile/bind.go
+++ b/mobile/bind.go
@@ -197,6 +197,15 @@ func (c *BoundContract) Transact(opts *TransactOpts, method string, args *Interf
 	return &Transaction{rawTx}, nil
 }
 
+// RawTransact invokes the (paid) contract method with raw calldata as input values.
+func (c *BoundContract) RawTransact(opts *TransactOpts, calldata []byte) (tx *Transaction, _ error) {
+	rawTx, err := c.contract.RawTransact(&opts.opts, calldata)
+	if err != nil {
+		return nil, err
+	}
+	return &Transaction{rawTx}, nil
+}
+
 // Transfer initiates a plain transaction to move funds to the contract, calling
 // its default method if one is available.
 func (c *BoundContract) Transfer(opts *TransactOpts) (tx *Transaction, _ error) {