ethclient: use package hexutil for JSON handling
This commit is contained in:
Felix Lange
parent
24f288770e
commit
1609df3275
@ -24,6 +24,7 @@ import (
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/rlp"
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@ -156,9 +157,9 @@ func (ec *Client) TransactionByHash(ctx context.Context, hash common.Hash) (*typ
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// TransactionCount returns the total number of transactions in the given block.
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func (ec *Client) TransactionCount(ctx context.Context, blockHash common.Hash) (uint, error) {
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var num rpc.HexNumber
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var num hexutil.Uint
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err := ec.c.CallContext(ctx, &num, "eth_getBlockTransactionCountByHash", blockHash)
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return num.Uint(), err
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return uint(num), err
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}
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// TransactionInBlock returns a single transaction at index in the given block.
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@ -196,11 +197,11 @@ func toBlockNumArg(number *big.Int) string {
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}
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type rpcProgress struct {
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StartingBlock rpc.HexNumber
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CurrentBlock rpc.HexNumber
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HighestBlock rpc.HexNumber
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PulledStates rpc.HexNumber
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KnownStates rpc.HexNumber
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StartingBlock hexutil.Uint64
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CurrentBlock hexutil.Uint64
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HighestBlock hexutil.Uint64
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PulledStates hexutil.Uint64
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KnownStates hexutil.Uint64
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}
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// SyncProgress retrieves the current progress of the sync algorithm. If there's
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@ -220,11 +221,11 @@ func (ec *Client) SyncProgress(ctx context.Context) (*ethereum.SyncProgress, err
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return nil, err
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}
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return ðereum.SyncProgress{
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StartingBlock: progress.StartingBlock.Uint64(),
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CurrentBlock: progress.CurrentBlock.Uint64(),
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HighestBlock: progress.HighestBlock.Uint64(),
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PulledStates: progress.PulledStates.Uint64(),
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KnownStates: progress.KnownStates.Uint64(),
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StartingBlock: uint64(progress.StartingBlock),
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CurrentBlock: uint64(progress.CurrentBlock),
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HighestBlock: uint64(progress.HighestBlock),
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PulledStates: uint64(progress.PulledStates),
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KnownStates: uint64(progress.KnownStates),
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}, nil
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}
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@ -239,7 +240,7 @@ func (ec *Client) SubscribeNewHead(ctx context.Context, ch chan<- *types.Header)
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// BalanceAt returns the wei balance of the given account.
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// The block number can be nil, in which case the balance is taken from the latest known block.
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func (ec *Client) BalanceAt(ctx context.Context, account common.Address, blockNumber *big.Int) (*big.Int, error) {
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var result rpc.HexNumber
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var result hexutil.Big
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err := ec.c.CallContext(ctx, &result, "eth_getBalance", account, toBlockNumArg(blockNumber))
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return (*big.Int)(&result), err
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}
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@ -247,7 +248,7 @@ func (ec *Client) BalanceAt(ctx context.Context, account common.Address, blockNu
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// StorageAt returns the value of key in the contract storage of the given account.
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// The block number can be nil, in which case the value is taken from the latest known block.
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func (ec *Client) StorageAt(ctx context.Context, account common.Address, key common.Hash, blockNumber *big.Int) ([]byte, error) {
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var result rpc.HexBytes
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var result hexutil.Bytes
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err := ec.c.CallContext(ctx, &result, "eth_getStorageAt", account, key, toBlockNumArg(blockNumber))
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return result, err
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}
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@ -255,7 +256,7 @@ func (ec *Client) StorageAt(ctx context.Context, account common.Address, key com
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// CodeAt returns the contract code of the given account.
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// The block number can be nil, in which case the code is taken from the latest known block.
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func (ec *Client) CodeAt(ctx context.Context, account common.Address, blockNumber *big.Int) ([]byte, error) {
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var result rpc.HexBytes
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var result hexutil.Bytes
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err := ec.c.CallContext(ctx, &result, "eth_getCode", account, toBlockNumArg(blockNumber))
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return result, err
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}
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@ -263,9 +264,9 @@ func (ec *Client) CodeAt(ctx context.Context, account common.Address, blockNumbe
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// NonceAt returns the account nonce of the given account.
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// The block number can be nil, in which case the nonce is taken from the latest known block.
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func (ec *Client) NonceAt(ctx context.Context, account common.Address, blockNumber *big.Int) (uint64, error) {
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var result rpc.HexNumber
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var result hexutil.Uint64
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err := ec.c.CallContext(ctx, &result, "eth_getTransactionCount", account, toBlockNumArg(blockNumber))
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return result.Uint64(), err
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return uint64(result), err
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}
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// Filters
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@ -299,21 +300,21 @@ func toFilterArg(q ethereum.FilterQuery) interface{} {
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// PendingBalanceAt returns the wei balance of the given account in the pending state.
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func (ec *Client) PendingBalanceAt(ctx context.Context, account common.Address) (*big.Int, error) {
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var result rpc.HexNumber
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var result hexutil.Big
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err := ec.c.CallContext(ctx, &result, "eth_getBalance", account, "pending")
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return (*big.Int)(&result), err
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}
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// PendingStorageAt returns the value of key in the contract storage of the given account in the pending state.
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func (ec *Client) PendingStorageAt(ctx context.Context, account common.Address, key common.Hash) ([]byte, error) {
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var result rpc.HexBytes
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var result hexutil.Bytes
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err := ec.c.CallContext(ctx, &result, "eth_getStorageAt", account, key, "pending")
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return result, err
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}
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// PendingCodeAt returns the contract code of the given account in the pending state.
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func (ec *Client) PendingCodeAt(ctx context.Context, account common.Address) ([]byte, error) {
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var result rpc.HexBytes
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var result hexutil.Bytes
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err := ec.c.CallContext(ctx, &result, "eth_getCode", account, "pending")
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return result, err
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}
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@ -321,16 +322,16 @@ func (ec *Client) PendingCodeAt(ctx context.Context, account common.Address) ([]
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// PendingNonceAt returns the account nonce of the given account in the pending state.
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// This is the nonce that should be used for the next transaction.
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func (ec *Client) PendingNonceAt(ctx context.Context, account common.Address) (uint64, error) {
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var result rpc.HexNumber
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var result hexutil.Uint64
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err := ec.c.CallContext(ctx, &result, "eth_getTransactionCount", account, "pending")
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return result.Uint64(), err
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return uint64(result), err
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}
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// PendingTransactionCount returns the total number of transactions in the pending state.
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func (ec *Client) PendingTransactionCount(ctx context.Context) (uint, error) {
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var num rpc.HexNumber
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var num hexutil.Uint
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err := ec.c.CallContext(ctx, &num, "eth_getBlockTransactionCountByNumber", "pending")
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return num.Uint(), err
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return uint(num), err
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}
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// TODO: SubscribePendingTransactions (needs server side)
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@ -344,29 +345,29 @@ func (ec *Client) PendingTransactionCount(ctx context.Context) (uint, error) {
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// case the code is taken from the latest known block. Note that state from very old
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// blocks might not be available.
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func (ec *Client) CallContract(ctx context.Context, msg ethereum.CallMsg, blockNumber *big.Int) ([]byte, error) {
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var hex string
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var hex hexutil.Bytes
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err := ec.c.CallContext(ctx, &hex, "eth_call", toCallArg(msg), toBlockNumArg(blockNumber))
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if err != nil {
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return nil, err
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}
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return common.FromHex(hex), nil
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return hex, nil
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}
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// PendingCallContract executes a message call transaction using the EVM.
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// The state seen by the contract call is the pending state.
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func (ec *Client) PendingCallContract(ctx context.Context, msg ethereum.CallMsg) ([]byte, error) {
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var hex string
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var hex hexutil.Bytes
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err := ec.c.CallContext(ctx, &hex, "eth_call", toCallArg(msg), "pending")
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if err != nil {
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return nil, err
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}
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return common.FromHex(hex), nil
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return hex, nil
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}
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// SuggestGasPrice retrieves the currently suggested gas price to allow a timely
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// execution of a transaction.
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func (ec *Client) SuggestGasPrice(ctx context.Context) (*big.Int, error) {
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var hex rpc.HexNumber
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var hex hexutil.Big
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if err := ec.c.CallContext(ctx, &hex, "eth_gasPrice"); err != nil {
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return nil, err
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}
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@ -378,7 +379,7 @@ func (ec *Client) SuggestGasPrice(ctx context.Context) (*big.Int, error) {
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// the true gas limit requirement as other transactions may be added or removed by miners,
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// but it should provide a basis for setting a reasonable default.
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func (ec *Client) EstimateGas(ctx context.Context, msg ethereum.CallMsg) (*big.Int, error) {
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var hex rpc.HexNumber
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var hex hexutil.Big
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err := ec.c.CallContext(ctx, &hex, "eth_estimateGas", toCallArg(msg))
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if err != nil {
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return nil, err
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@ -404,16 +405,16 @@ func toCallArg(msg ethereum.CallMsg) interface{} {
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"to": msg.To,
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}
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if len(msg.Data) > 0 {
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arg["data"] = fmt.Sprintf("%#x", msg.Data)
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arg["data"] = hexutil.Bytes(msg.Data)
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}
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if msg.Value != nil {
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arg["value"] = fmt.Sprintf("%#x", msg.Value)
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arg["value"] = (*hexutil.Big)(msg.Value)
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}
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if msg.Gas != nil {
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arg["gas"] = fmt.Sprintf("%#x", msg.Gas)
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arg["gas"] = (*hexutil.Big)(msg.Gas)
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}
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if msg.GasPrice != nil {
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arg["gasPrice"] = fmt.Sprintf("%#x", msg.GasPrice)
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arg["gasPrice"] = (*hexutil.Big)(msg.GasPrice)
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}
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return arg
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}
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