501 lines
14 KiB
Go
501 lines
14 KiB
Go
package api
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import (
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"bytes"
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"encoding/binary"
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"encoding/hex"
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"encoding/json"
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"math/big"
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"strings"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/rpc/shared"
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)
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type hexdata struct {
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data []byte
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isNil bool
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}
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func (d *hexdata) String() string {
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return "0x" + common.Bytes2Hex(d.data)
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}
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func (d *hexdata) MarshalJSON() ([]byte, error) {
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if d.isNil {
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return json.Marshal(nil)
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}
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return json.Marshal(d.String())
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}
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func newHexData(input interface{}) *hexdata {
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d := new(hexdata)
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if input == nil {
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d.isNil = true
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return d
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}
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switch input := input.(type) {
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case []byte:
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d.data = input
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case common.Hash:
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d.data = input.Bytes()
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case *common.Hash:
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if input == nil {
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d.isNil = true
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} else {
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d.data = input.Bytes()
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}
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case common.Address:
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d.data = input.Bytes()
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case *common.Address:
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if input == nil {
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d.isNil = true
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} else {
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d.data = input.Bytes()
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}
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case types.Bloom:
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d.data = input.Bytes()
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case *types.Bloom:
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if input == nil {
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d.isNil = true
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} else {
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d.data = input.Bytes()
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}
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case *big.Int:
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if input == nil {
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d.isNil = true
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} else {
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d.data = input.Bytes()
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}
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case int64:
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d.data = big.NewInt(input).Bytes()
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case uint64:
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buff := make([]byte, 8)
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binary.BigEndian.PutUint64(buff, input)
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d.data = buff
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case int:
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d.data = big.NewInt(int64(input)).Bytes()
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case uint:
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d.data = big.NewInt(int64(input)).Bytes()
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case int8:
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d.data = big.NewInt(int64(input)).Bytes()
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case uint8:
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d.data = big.NewInt(int64(input)).Bytes()
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case int16:
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d.data = big.NewInt(int64(input)).Bytes()
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case uint16:
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buff := make([]byte, 2)
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binary.BigEndian.PutUint16(buff, input)
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d.data = buff
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case int32:
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d.data = big.NewInt(int64(input)).Bytes()
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case uint32:
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buff := make([]byte, 4)
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binary.BigEndian.PutUint32(buff, input)
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d.data = buff
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case string: // hexstring
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// aaargh ffs TODO: avoid back-and-forth hex encodings where unneeded
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bytes, err := hex.DecodeString(strings.TrimPrefix(input, "0x"))
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if err != nil {
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d.isNil = true
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} else {
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d.data = bytes
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}
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default:
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d.isNil = true
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}
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return d
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}
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type hexnum struct {
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data []byte
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isNil bool
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}
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func (d *hexnum) String() string {
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// Get hex string from bytes
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out := common.Bytes2Hex(d.data)
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// Trim leading 0s
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out = strings.TrimLeft(out, "0")
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// Output "0x0" when value is 0
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if len(out) == 0 {
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out = "0"
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}
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return "0x" + out
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}
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func (d *hexnum) MarshalJSON() ([]byte, error) {
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if d.isNil {
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return json.Marshal(nil)
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}
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return json.Marshal(d.String())
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}
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func newHexNum(input interface{}) *hexnum {
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d := new(hexnum)
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d.data = newHexData(input).data
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return d
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}
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type BlockRes struct {
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fullTx bool
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BlockNumber *hexnum `json:"number"`
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BlockHash *hexdata `json:"hash"`
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ParentHash *hexdata `json:"parentHash"`
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Nonce *hexdata `json:"nonce"`
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Sha3Uncles *hexdata `json:"sha3Uncles"`
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LogsBloom *hexdata `json:"logsBloom"`
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TransactionRoot *hexdata `json:"transactionsRoot"`
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StateRoot *hexdata `json:"stateRoot"`
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Miner *hexdata `json:"miner"`
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Difficulty *hexnum `json:"difficulty"`
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TotalDifficulty *hexnum `json:"totalDifficulty"`
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Size *hexnum `json:"size"`
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ExtraData *hexdata `json:"extraData"`
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GasLimit *hexnum `json:"gasLimit"`
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GasUsed *hexnum `json:"gasUsed"`
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UnixTimestamp *hexnum `json:"timestamp"`
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Transactions []*TransactionRes `json:"transactions"`
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Uncles []*UncleRes `json:"uncles"`
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}
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func (b *BlockRes) MarshalJSON() ([]byte, error) {
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if b.fullTx {
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var ext struct {
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BlockNumber *hexnum `json:"number"`
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BlockHash *hexdata `json:"hash"`
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ParentHash *hexdata `json:"parentHash"`
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Nonce *hexdata `json:"nonce"`
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Sha3Uncles *hexdata `json:"sha3Uncles"`
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LogsBloom *hexdata `json:"logsBloom"`
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TransactionRoot *hexdata `json:"transactionsRoot"`
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StateRoot *hexdata `json:"stateRoot"`
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Miner *hexdata `json:"miner"`
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Difficulty *hexnum `json:"difficulty"`
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TotalDifficulty *hexnum `json:"totalDifficulty"`
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Size *hexnum `json:"size"`
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ExtraData *hexdata `json:"extraData"`
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GasLimit *hexnum `json:"gasLimit"`
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GasUsed *hexnum `json:"gasUsed"`
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UnixTimestamp *hexnum `json:"timestamp"`
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Transactions []*TransactionRes `json:"transactions"`
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Uncles []*hexdata `json:"uncles"`
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}
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ext.BlockNumber = b.BlockNumber
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ext.BlockHash = b.BlockHash
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ext.ParentHash = b.ParentHash
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ext.Nonce = b.Nonce
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ext.Sha3Uncles = b.Sha3Uncles
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ext.LogsBloom = b.LogsBloom
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ext.TransactionRoot = b.TransactionRoot
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ext.StateRoot = b.StateRoot
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ext.Miner = b.Miner
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ext.Difficulty = b.Difficulty
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ext.TotalDifficulty = b.TotalDifficulty
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ext.Size = b.Size
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ext.ExtraData = b.ExtraData
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ext.GasLimit = b.GasLimit
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ext.GasUsed = b.GasUsed
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ext.UnixTimestamp = b.UnixTimestamp
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ext.Transactions = b.Transactions
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ext.Uncles = make([]*hexdata, len(b.Uncles))
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for i, u := range b.Uncles {
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ext.Uncles[i] = u.BlockHash
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}
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return json.Marshal(ext)
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} else {
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var ext struct {
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BlockNumber *hexnum `json:"number"`
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BlockHash *hexdata `json:"hash"`
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ParentHash *hexdata `json:"parentHash"`
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Nonce *hexdata `json:"nonce"`
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Sha3Uncles *hexdata `json:"sha3Uncles"`
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LogsBloom *hexdata `json:"logsBloom"`
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TransactionRoot *hexdata `json:"transactionsRoot"`
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StateRoot *hexdata `json:"stateRoot"`
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Miner *hexdata `json:"miner"`
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Difficulty *hexnum `json:"difficulty"`
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TotalDifficulty *hexnum `json:"totalDifficulty"`
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Size *hexnum `json:"size"`
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ExtraData *hexdata `json:"extraData"`
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GasLimit *hexnum `json:"gasLimit"`
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GasUsed *hexnum `json:"gasUsed"`
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UnixTimestamp *hexnum `json:"timestamp"`
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Transactions []*hexdata `json:"transactions"`
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Uncles []*hexdata `json:"uncles"`
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}
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ext.BlockNumber = b.BlockNumber
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ext.BlockHash = b.BlockHash
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ext.ParentHash = b.ParentHash
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ext.Nonce = b.Nonce
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ext.Sha3Uncles = b.Sha3Uncles
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ext.LogsBloom = b.LogsBloom
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ext.TransactionRoot = b.TransactionRoot
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ext.StateRoot = b.StateRoot
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ext.Miner = b.Miner
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ext.Difficulty = b.Difficulty
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ext.TotalDifficulty = b.TotalDifficulty
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ext.Size = b.Size
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ext.ExtraData = b.ExtraData
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ext.GasLimit = b.GasLimit
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ext.GasUsed = b.GasUsed
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ext.UnixTimestamp = b.UnixTimestamp
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ext.Transactions = make([]*hexdata, len(b.Transactions))
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for i, tx := range b.Transactions {
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ext.Transactions[i] = tx.Hash
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}
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ext.Uncles = make([]*hexdata, len(b.Uncles))
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for i, u := range b.Uncles {
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ext.Uncles[i] = u.BlockHash
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}
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return json.Marshal(ext)
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}
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}
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func NewBlockRes(block *types.Block, fullTx bool) *BlockRes {
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if block == nil {
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return nil
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}
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res := new(BlockRes)
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res.fullTx = fullTx
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res.BlockNumber = newHexNum(block.Number())
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res.BlockHash = newHexData(block.Hash())
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res.ParentHash = newHexData(block.ParentHash())
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res.Nonce = newHexData(block.Nonce())
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res.Sha3Uncles = newHexData(block.UncleHash())
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res.LogsBloom = newHexData(block.Bloom())
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res.TransactionRoot = newHexData(block.TxHash())
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res.StateRoot = newHexData(block.Root())
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res.Miner = newHexData(block.Coinbase())
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res.Difficulty = newHexNum(block.Difficulty())
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res.TotalDifficulty = newHexNum(block.Td)
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res.Size = newHexNum(block.Size().Int64())
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res.ExtraData = newHexData(block.Extra())
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res.GasLimit = newHexNum(block.GasLimit())
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res.GasUsed = newHexNum(block.GasUsed())
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res.UnixTimestamp = newHexNum(block.Time())
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txs := block.Transactions()
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res.Transactions = make([]*TransactionRes, len(txs))
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for i, tx := range txs {
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res.Transactions[i] = NewTransactionRes(tx)
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res.Transactions[i].BlockHash = res.BlockHash
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res.Transactions[i].BlockNumber = res.BlockNumber
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res.Transactions[i].TxIndex = newHexNum(i)
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}
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uncles := block.Uncles()
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res.Uncles = make([]*UncleRes, len(uncles))
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for i, uncle := range uncles {
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res.Uncles[i] = NewUncleRes(uncle)
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}
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return res
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}
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type TransactionRes struct {
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Hash *hexdata `json:"hash"`
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Nonce *hexnum `json:"nonce"`
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BlockHash *hexdata `json:"blockHash"`
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BlockNumber *hexnum `json:"blockNumber"`
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TxIndex *hexnum `json:"transactionIndex"`
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From *hexdata `json:"from"`
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To *hexdata `json:"to"`
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Value *hexnum `json:"value"`
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Gas *hexnum `json:"gas"`
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GasPrice *hexnum `json:"gasPrice"`
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Input *hexdata `json:"input"`
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}
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func NewTransactionRes(tx *types.Transaction) *TransactionRes {
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if tx == nil {
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return nil
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}
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var v = new(TransactionRes)
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v.Hash = newHexData(tx.Hash())
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v.Nonce = newHexNum(tx.Nonce())
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// v.BlockHash =
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// v.BlockNumber =
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// v.TxIndex =
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from, _ := tx.From()
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v.From = newHexData(from)
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v.To = newHexData(tx.To())
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v.Value = newHexNum(tx.Value())
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v.Gas = newHexNum(tx.Gas())
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v.GasPrice = newHexNum(tx.GasPrice())
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v.Input = newHexData(tx.Data())
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return v
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}
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type UncleRes struct {
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BlockNumber *hexnum `json:"number"`
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BlockHash *hexdata `json:"hash"`
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ParentHash *hexdata `json:"parentHash"`
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Nonce *hexdata `json:"nonce"`
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Sha3Uncles *hexdata `json:"sha3Uncles"`
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ReceiptHash *hexdata `json:"receiptHash"`
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LogsBloom *hexdata `json:"logsBloom"`
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TransactionRoot *hexdata `json:"transactionsRoot"`
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StateRoot *hexdata `json:"stateRoot"`
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Miner *hexdata `json:"miner"`
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Difficulty *hexnum `json:"difficulty"`
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ExtraData *hexdata `json:"extraData"`
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GasLimit *hexnum `json:"gasLimit"`
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GasUsed *hexnum `json:"gasUsed"`
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UnixTimestamp *hexnum `json:"timestamp"`
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}
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func NewUncleRes(h *types.Header) *UncleRes {
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if h == nil {
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return nil
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}
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var v = new(UncleRes)
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v.BlockNumber = newHexNum(h.Number)
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v.BlockHash = newHexData(h.Hash())
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v.ParentHash = newHexData(h.ParentHash)
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v.Sha3Uncles = newHexData(h.UncleHash)
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v.Nonce = newHexData(h.Nonce[:])
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v.LogsBloom = newHexData(h.Bloom)
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v.TransactionRoot = newHexData(h.TxHash)
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v.StateRoot = newHexData(h.Root)
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v.Miner = newHexData(h.Coinbase)
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v.Difficulty = newHexNum(h.Difficulty)
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v.ExtraData = newHexData(h.Extra)
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v.GasLimit = newHexNum(h.GasLimit)
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v.GasUsed = newHexNum(h.GasUsed)
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v.UnixTimestamp = newHexNum(h.Time)
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v.ReceiptHash = newHexData(h.ReceiptHash)
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return v
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}
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// type FilterLogRes struct {
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// Hash string `json:"hash"`
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// Address string `json:"address"`
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// Data string `json:"data"`
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// BlockNumber string `json:"blockNumber"`
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// TransactionHash string `json:"transactionHash"`
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// BlockHash string `json:"blockHash"`
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// TransactionIndex string `json:"transactionIndex"`
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// LogIndex string `json:"logIndex"`
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// }
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// type FilterWhisperRes struct {
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// Hash string `json:"hash"`
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// From string `json:"from"`
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// To string `json:"to"`
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// Expiry string `json:"expiry"`
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// Sent string `json:"sent"`
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// Ttl string `json:"ttl"`
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// Topics string `json:"topics"`
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// Payload string `json:"payload"`
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// WorkProved string `json:"workProved"`
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// }
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type ReceiptRes struct {
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TransactionHash *hexdata `json:"transactionHash"`
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TransactionIndex *hexnum `json:"transactionIndex"`
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BlockNumber *hexnum `json:"blockNumber"`
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BlockHash *hexdata `json:"blockHash"`
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CumulativeGasUsed *hexnum `json:"cumulativeGasUsed"`
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GasUsed *hexnum `json:"gasUsed"`
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ContractAddress *hexdata `json:"contractAddress"`
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Logs *[]interface{} `json:"logs"`
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}
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func NewReceiptRes(rec *types.Receipt) *ReceiptRes {
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if rec == nil {
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return nil
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}
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var v = new(ReceiptRes)
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v.TransactionHash = newHexData(rec.TxHash)
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if rec.GasUsed != nil {
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v.GasUsed = newHexNum(rec.GasUsed.Bytes())
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}
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v.CumulativeGasUsed = newHexNum(rec.CumulativeGasUsed)
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// If the ContractAddress is 20 0x0 bytes, assume it is not a contract creation
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if bytes.Compare(rec.ContractAddress.Bytes(), bytes.Repeat([]byte{0}, 20)) != 0 {
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v.ContractAddress = newHexData(rec.ContractAddress)
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}
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logs := make([]interface{}, len(rec.Logs()))
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for i, log := range rec.Logs() {
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logs[i] = NewLogRes(log)
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}
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v.Logs = &logs
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return v
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}
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func numString(raw interface{}) (*big.Int, error) {
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var number *big.Int
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// Parse as integer
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num, ok := raw.(float64)
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if ok {
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number = big.NewInt(int64(num))
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return number, nil
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}
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// Parse as string/hexstring
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str, ok := raw.(string)
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if ok {
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number = common.String2Big(str)
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return number, nil
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}
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return nil, shared.NewInvalidTypeError("", "not a number or string")
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}
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func blockHeight(raw interface{}, number *int64) error {
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// Parse as integer
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num, ok := raw.(float64)
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if ok {
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*number = int64(num)
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return nil
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}
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// Parse as string/hexstring
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str, ok := raw.(string)
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if !ok {
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return shared.NewInvalidTypeError("", "not a number or string")
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}
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switch str {
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case "earliest":
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*number = 0
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case "latest":
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*number = -1
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case "pending":
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*number = -2
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default:
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if common.HasHexPrefix(str) {
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*number = common.String2Big(str).Int64()
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} else {
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return shared.NewInvalidTypeError("blockNumber", "is not a valid string")
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}
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}
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return nil
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}
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func blockHeightFromJson(msg json.RawMessage, number *int64) error {
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var raw interface{}
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if err := json.Unmarshal(msg, &raw); err != nil {
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return shared.NewDecodeParamError(err.Error())
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}
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return blockHeight(raw, number)
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}
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