b9d6761776
* new proto types for proposal info * new proposal type * nits * lane input * lint * feat(ABCI): Deprecating `CheckOrderHandler` with new Proposal MetaData (#127) * refactor without checkorder * nits * more nits * lint * nits * feat(ABCI): Updating MEV lane to have no `CheckOrder` handler + testing (#128) * updating mev lane * nits * preventing adding multiple bid txs in prepare * update
91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
package utils
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import (
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkmempool "github.com/cosmos/cosmos-sdk/types/mempool"
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)
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type (
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// TxInfo contains the information required for a transaction to be
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// included in a proposal.
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TxInfo struct {
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// Hash is the hex-encoded hash of the transaction.
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Hash string
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// Size is the size of the transaction in bytes.
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Size int64
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// GasLimit is the gas limit of the transaction.
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GasLimit uint64
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// TxBytes is the bytes of the transaction.
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TxBytes []byte
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}
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)
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// GetTxHashStr returns the TxInfo of a given transaction.
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func GetTxInfo(txEncoder sdk.TxEncoder, tx sdk.Tx) (TxInfo, error) {
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txBz, err := txEncoder(tx)
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if err != nil {
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return TxInfo{}, fmt.Errorf("failed to encode transaction: %w", err)
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}
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txHash := sha256.Sum256(txBz)
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txHashStr := hex.EncodeToString(txHash[:])
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// TODO: Add an adapter to lanes so that this can be flexible to support EVM, etc.
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gasTx, ok := tx.(sdk.FeeTx)
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if !ok {
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return TxInfo{}, fmt.Errorf("failed to cast transaction to GasTx")
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}
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return TxInfo{
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Hash: txHashStr,
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Size: int64(len(txBz)),
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GasLimit: gasTx.GetGas(),
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TxBytes: txBz,
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}, nil
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}
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// GetDecodedTxs returns the decoded transactions from the given bytes.
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func GetDecodedTxs(txDecoder sdk.TxDecoder, txs [][]byte) ([]sdk.Tx, error) {
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var decodedTxs []sdk.Tx
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for _, txBz := range txs {
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tx, err := txDecoder(txBz)
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if err != nil {
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return nil, fmt.Errorf("failed to decode transaction: %w", err)
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}
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decodedTxs = append(decodedTxs, tx)
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}
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return decodedTxs, nil
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}
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// GetEncodedTxs returns the encoded transactions from the given bytes.
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func GetEncodedTxs(txEncoder sdk.TxEncoder, txs []sdk.Tx) ([][]byte, error) {
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var encodedTxs [][]byte
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for _, tx := range txs {
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txBz, err := txEncoder(tx)
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if err != nil {
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return nil, fmt.Errorf("failed to encode transaction: %w", err)
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}
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encodedTxs = append(encodedTxs, txBz)
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}
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return encodedTxs, nil
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}
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// RemoveTxsFromLane removes the transactions from the given lane's mempool.
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func RemoveTxsFromLane(txs []sdk.Tx, mempool sdkmempool.Mempool) error {
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for _, tx := range txs {
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if err := mempool.Remove(tx); err != nil {
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return err
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}
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}
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return nil
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}
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