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85 lines
2.5 KiB
85 lines
2.5 KiB
6 years ago
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package hmyapi
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import (
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"bytes"
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"context"
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"errors"
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"math/big"
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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/harmony-one/harmony/core"
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"github.com/harmony-one/harmony/core/types"
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)
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// SendTxArgs represents the arguments to sumbit a new transaction into the transaction pool.
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type SendTxArgs struct {
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From common.Address `json:"from"`
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To *common.Address `json:"to"`
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ShardID uint32 `json:"shardID`
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Gas *hexutil.Uint64 `json:"gas"`
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GasPrice *hexutil.Big `json:"gasPrice"`
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Value *hexutil.Big `json:"value"`
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Nonce *hexutil.Uint64 `json:"nonce"`
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// We accept "data" and "input" for backwards-compatibility reasons. "input" is the
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// newer name and should be preferred by clients.
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Data *hexutil.Bytes `json:"data"`
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Input *hexutil.Bytes `json:"input"`
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}
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// setDefaults is a helper function that fills in default values for unspecified tx fields.
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func (args *SendTxArgs) setDefaults(ctx context.Context, b *core.HmyAPIBackend) error {
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if args.Gas == nil {
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args.Gas = new(hexutil.Uint64)
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*(*uint64)(args.Gas) = 90000
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}
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// TODO(ricl): add check for shardID
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if args.GasPrice == nil {
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// TODO(ricl): port
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// price, err := b.SuggestPrice(ctx)
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// if err != nil {
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// return err
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// }
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// args.GasPrice = (*hexutil.Big)(price)
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}
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if args.Value == nil {
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args.Value = new(hexutil.Big)
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}
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if args.Nonce == nil {
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nonce, err := b.GetPoolNonce(ctx, args.From)
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if err != nil {
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return err
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}
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args.Nonce = (*hexutil.Uint64)(&nonce)
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}
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if args.Data != nil && args.Input != nil && !bytes.Equal(*args.Data, *args.Input) {
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return errors.New(`both "data" and "input" are set and not equal. Please use "input" to pass transaction call data`)
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}
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if args.To == nil {
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// Contract creation
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var input []byte
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if args.Data != nil {
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input = *args.Data
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} else if args.Input != nil {
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input = *args.Input
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}
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if len(input) == 0 {
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return errors.New(`contract creation without any data provided`)
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}
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}
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return nil
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}
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func (args *SendTxArgs) toTransaction() *types.Transaction {
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var input []byte
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if args.Data != nil {
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input = *args.Data
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} else if args.Input != nil {
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input = *args.Input
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}
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if args.To == nil {
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return types.NewContractCreation(uint64(*args.Nonce), args.ShardID, (*big.Int)(args.Value), uint64(*args.Gas), (*big.Int)(args.GasPrice), input)
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}
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return types.NewTransaction(uint64(*args.Nonce), *args.To, args.ShardID, (*big.Int)(args.Value), uint64(*args.Gas), (*big.Int)(args.GasPrice), input)
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}
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