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add GetTxHash() in evm module (#138)
* evm: add GetTxHash() * optimize code * optimize code * optimize code
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| package evm | ||
|
|
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| import ( | ||
| authcli "github.com/cosmos/cosmos-sdk/x/auth/client/utils" | ||
| ethcmn "github.com/ethereum/go-ethereum/common" | ||
| ethcore "github.com/ethereum/go-ethereum/core/types" | ||
| evmtypes "github.com/okex/exchain/x/evm/types" | ||
| "github.com/tendermint/tendermint/crypto/tmhash" | ||
| ) | ||
|
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| // GetTxHash calculates the tx hash | ||
| func (ec evmClient) GetTxHash(signedTx *ethcore.Transaction) (txHash ethcmn.Hash, err error) { | ||
| v, r, s := signedTx.RawSignatureValues() | ||
| tx := evmtypes.MsgEthereumTx{ | ||
| Data: evmtypes.TxData{ | ||
| AccountNonce: signedTx.Nonce(), | ||
| Price: signedTx.GasPrice(), | ||
| GasLimit: signedTx.Gas(), | ||
| Recipient: signedTx.To(), | ||
| Amount: signedTx.Value(), | ||
| Payload: signedTx.Data(), | ||
| V: v, | ||
| R: r, | ||
| S: s, | ||
| }, | ||
| } | ||
|
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| txBytes, err := authcli.GetTxEncoder(ec.GetCodec())(tx) | ||
| if err != nil { | ||
| return | ||
| } | ||
|
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| txHash = ethcmn.BytesToHash(tmhash.Sum(txBytes)) | ||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package evm | ||
|
|
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| import ( | ||
| "math/big" | ||
| "testing" | ||
|
|
||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| ethcmn "github.com/ethereum/go-ethereum/common" | ||
| ethcore "github.com/ethereum/go-ethereum/core/types" | ||
| "github.com/ethereum/go-ethereum/crypto" | ||
| "github.com/golang/mock/gomock" | ||
| "github.com/okex/exchain-go-sdk/mocks" | ||
| "github.com/okex/exchain-go-sdk/module/auth" | ||
| gosdktypes "github.com/okex/exchain-go-sdk/types" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
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| const ( | ||
| privKeyHex = "89c81c304704e9890025a5a91898802294658d6e4034a11c6116f4b129ea12d3" | ||
|
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| // https://www.oklink.com/okexchain-test/tx/0x8cdadf3465248ae60de749c1e96e178dd303489f2da6b4cffc0ce3f7fb5a9614 | ||
| expectedTxHash = "0x8cdadf3465248ae60de749c1e96e178dd303489f2da6b4cffc0ce3f7fb5a9614" | ||
| ) | ||
|
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| func TestEvmClient_GetTxHash(t *testing.T) { | ||
| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
|
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| privateKeyECDSA, err := crypto.HexToECDSA(privKeyHex) | ||
| require.NoError(t, err) | ||
|
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| // details in okt transfer | ||
| chainID := big.NewInt(65) | ||
| toAddress := ethcmn.HexToAddress(recAddrEth) | ||
| value, err := sdk.NewDecFromStr("1") | ||
| require.NoError(t, err) | ||
| gasLimit := uint64(21000) | ||
| gasPrice, err := sdk.NewDecFromStr("0.000000001") | ||
| require.NoError(t, err) | ||
| unsignedTx := ethcore.NewTransaction(591, toAddress, value.BigInt(), gasLimit, gasPrice.BigInt(), nil) | ||
| signedTx, err := ethcore.SignTx(unsignedTx, ethcore.NewEIP155Signer(chainID), privateKeyECDSA) | ||
| require.NoError(t, err) | ||
|
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| config, err := gosdktypes.NewClientConfig("testURL", "testchain-1", gosdktypes.BroadcastBlock, "", | ||
| 200000, 1.1, "0.00000001okt") | ||
| require.NoError(t, err) | ||
| mockCli := mocks.NewMockClient(t, ctrl, config) | ||
| mockCli.RegisterModule(NewEvmClient(mockCli.MockBaseClient), auth.NewAuthClient(mockCli.MockBaseClient)) | ||
| expectedCdc := mockCli.GetCodec() | ||
| mockCli.EXPECT().GetCodec().Return(expectedCdc) | ||
|
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| txHash, err := mockCli.Evm().GetTxHash(signedTx) | ||
| require.NotNil(t, txHash) | ||
| require.Equal(t, expectedTxHash, txHash.String()) | ||
| } |