ethclient: better test suite for ethclient package (#22127)
This commit extends the ethclient test suite and increases code coverage of the ethclient package from ~15% to >55%. These tests act as early smoke tests to signal issues in the RPC-interface. E.g. if a functionality like eth_chainId or eth_call breaks, the test will break.
This commit is contained in:
Marius van der Wijden
GitHub
parent
6b88ab75bc
commit
889f5645b5
@ -17,6 +17,7 @@
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package ethclient
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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@ -35,6 +36,7 @@ import (
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rpc"
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)
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// Verify that Client implements the ethereum interfaces.
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@ -229,12 +231,48 @@ func generateTestChain() (*core.Genesis, []*types.Block) {
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return genesis, blocks
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}
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func TestHeader(t *testing.T) {
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func TestEthClient(t *testing.T) {
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backend, chain := newTestBackend(t)
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client, _ := backend.Attach()
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defer backend.Close()
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defer client.Close()
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tests := map[string]struct {
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test func(t *testing.T)
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}{
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"TestHeader": {
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func(t *testing.T) { testHeader(t, chain, client) },
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},
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"TestBalanceAt": {
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func(t *testing.T) { testBalanceAt(t, client) },
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},
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"TestTxInBlockInterrupted": {
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func(t *testing.T) { testTransactionInBlockInterrupted(t, client) },
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},
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"TestChainID": {
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func(t *testing.T) { testChainID(t, client) },
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},
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"TestGetBlock": {
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func(t *testing.T) { testGetBlock(t, client) },
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},
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"TestStatusFunctions": {
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func(t *testing.T) { testStatusFunctions(t, client) },
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},
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"TestCallContract": {
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func(t *testing.T) { testCallContract(t, client) },
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},
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"TestAtFunctions": {
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func(t *testing.T) { testAtFunctions(t, client) },
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},
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}
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t.Parallel()
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for name, tt := range tests {
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t.Run(name, tt.test)
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}
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}
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func testHeader(t *testing.T, chain []*types.Block, client *rpc.Client) {
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tests := map[string]struct {
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block *big.Int
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want *types.Header
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@ -273,12 +311,7 @@ func TestHeader(t *testing.T) {
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}
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}
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func TestBalanceAt(t *testing.T) {
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backend, _ := newTestBackend(t)
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client, _ := backend.Attach()
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defer backend.Close()
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defer client.Close()
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func testBalanceAt(t *testing.T, client *rpc.Client) {
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tests := map[string]struct {
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account common.Address
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block *big.Int
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@ -319,31 +352,32 @@ func TestBalanceAt(t *testing.T) {
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}
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}
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func TestTransactionInBlockInterrupted(t *testing.T) {
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backend, _ := newTestBackend(t)
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client, _ := backend.Attach()
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defer backend.Close()
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defer client.Close()
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func testTransactionInBlockInterrupted(t *testing.T, client *rpc.Client) {
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ec := NewClient(client)
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// Get current block by number
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block, err := ec.BlockByNumber(context.Background(), nil)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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// Test tx in block interupted
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ctx, cancel := context.WithCancel(context.Background())
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cancel()
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tx, err := ec.TransactionInBlock(ctx, common.Hash{1}, 1)
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tx, err := ec.TransactionInBlock(ctx, block.Hash(), 1)
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if tx != nil {
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t.Fatal("transaction should be nil")
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}
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if err == nil {
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t.Fatal("error should not be nil")
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if err == nil || err == ethereum.NotFound {
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t.Fatal("error should not be nil/notfound")
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}
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// Test tx in block not found
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if _, err := ec.TransactionInBlock(context.Background(), block.Hash(), 1); err != ethereum.NotFound {
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t.Fatal("error should be ethereum.NotFound")
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}
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}
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func TestChainID(t *testing.T) {
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backend, _ := newTestBackend(t)
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client, _ := backend.Attach()
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defer backend.Close()
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defer client.Close()
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func testChainID(t *testing.T, client *rpc.Client) {
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ec := NewClient(client)
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id, err := ec.ChainID(context.Background())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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@ -353,13 +387,9 @@ func TestChainID(t *testing.T) {
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}
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}
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func TestBlockNumber(t *testing.T) {
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backend, _ := newTestBackend(t)
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client, _ := backend.Attach()
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defer backend.Close()
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defer client.Close()
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func testGetBlock(t *testing.T, client *rpc.Client) {
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ec := NewClient(client)
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// Get current block number
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blockNumber, err := ec.BlockNumber(context.Background())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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@ -367,4 +397,177 @@ func TestBlockNumber(t *testing.T) {
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if blockNumber != 1 {
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t.Fatalf("BlockNumber returned wrong number: %d", blockNumber)
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}
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// Get current block by number
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block, err := ec.BlockByNumber(context.Background(), new(big.Int).SetUint64(blockNumber))
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if block.NumberU64() != blockNumber {
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t.Fatalf("BlockByNumber returned wrong block: want %d got %d", blockNumber, block.NumberU64())
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}
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// Get current block by hash
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blockH, err := ec.BlockByHash(context.Background(), block.Hash())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if block.Hash() != blockH.Hash() {
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t.Fatalf("BlockByHash returned wrong block: want %v got %v", block.Hash().Hex(), blockH.Hash().Hex())
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}
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// Get header by number
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header, err := ec.HeaderByNumber(context.Background(), new(big.Int).SetUint64(blockNumber))
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if block.Header().Hash() != header.Hash() {
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t.Fatalf("HeaderByNumber returned wrong header: want %v got %v", block.Header().Hash().Hex(), header.Hash().Hex())
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}
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// Get header by hash
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headerH, err := ec.HeaderByHash(context.Background(), block.Hash())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if block.Header().Hash() != headerH.Hash() {
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t.Fatalf("HeaderByHash returned wrong header: want %v got %v", block.Header().Hash().Hex(), headerH.Hash().Hex())
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}
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}
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func testStatusFunctions(t *testing.T, client *rpc.Client) {
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ec := NewClient(client)
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// Sync progress
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progress, err := ec.SyncProgress(context.Background())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if progress != nil {
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t.Fatalf("unexpected progress: %v", progress)
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}
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// NetworkID
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networkID, err := ec.NetworkID(context.Background())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if networkID.Cmp(big.NewInt(0)) != 0 {
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t.Fatalf("unexpected networkID: %v", networkID)
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}
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// SuggestGasPrice (should suggest 1 Gwei)
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gasPrice, err := ec.SuggestGasPrice(context.Background())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if gasPrice.Cmp(big.NewInt(1000000000)) != 0 {
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t.Fatalf("unexpected gas price: %v", gasPrice)
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}
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}
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func testCallContract(t *testing.T, client *rpc.Client) {
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ec := NewClient(client)
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// EstimateGas
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msg := ethereum.CallMsg{
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From: testAddr,
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To: &common.Address{},
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Gas: 21000,
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GasPrice: big.NewInt(1),
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Value: big.NewInt(1),
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}
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gas, err := ec.EstimateGas(context.Background(), msg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if gas != 21000 {
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t.Fatalf("unexpected gas price: %v", gas)
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}
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// CallContract
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if _, err := ec.CallContract(context.Background(), msg, big.NewInt(1)); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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// PendingCallCOntract
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if _, err := ec.PendingCallContract(context.Background(), msg); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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}
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func testAtFunctions(t *testing.T, client *rpc.Client) {
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ec := NewClient(client)
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// send a transaction for some interesting pending status
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sendTransaction(ec)
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time.Sleep(100 * time.Millisecond)
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// Check pending transaction count
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pending, err := ec.PendingTransactionCount(context.Background())
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if pending != 1 {
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t.Fatalf("unexpected pending, wanted 1 got: %v", pending)
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}
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// Query balance
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balance, err := ec.BalanceAt(context.Background(), testAddr, nil)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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penBalance, err := ec.PendingBalanceAt(context.Background(), testAddr)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if balance.Cmp(penBalance) == 0 {
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t.Fatalf("unexpected balance: %v %v", balance, penBalance)
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}
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// NonceAt
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nonce, err := ec.NonceAt(context.Background(), testAddr, nil)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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penNonce, err := ec.PendingNonceAt(context.Background(), testAddr)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if penNonce != nonce+1 {
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t.Fatalf("unexpected nonce: %v %v", nonce, penNonce)
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}
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// StorageAt
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storage, err := ec.StorageAt(context.Background(), testAddr, common.Hash{}, nil)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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penStorage, err := ec.PendingStorageAt(context.Background(), testAddr, common.Hash{})
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if !bytes.Equal(storage, penStorage) {
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t.Fatalf("unexpected storage: %v %v", storage, penStorage)
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}
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// CodeAt
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code, err := ec.CodeAt(context.Background(), testAddr, nil)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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penCode, err := ec.PendingCodeAt(context.Background(), testAddr)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if !bytes.Equal(code, penCode) {
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t.Fatalf("unexpected code: %v %v", code, penCode)
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}
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}
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func sendTransaction(ec *Client) error {
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// Retrieve chainID
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chainID, err := ec.ChainID(context.Background())
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if err != nil {
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return err
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}
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// Create transaction
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tx := types.NewTransaction(0, common.Address{1}, big.NewInt(1), 22000, big.NewInt(1), nil)
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signer := types.NewEIP155Signer(chainID)
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signature, err := crypto.Sign(signer.Hash(tx).Bytes(), testKey)
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if err != nil {
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return err
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}
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signedTx, err := tx.WithSignature(signer, signature)
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if err != nil {
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return err
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}
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// Send transaction
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return ec.SendTransaction(context.Background(), signedTx)
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}
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