The core protocol of WoopChain
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woop/rosetta/services/construction_parse.go

111 lines
3.6 KiB

package services
import (
"context"
"github.com/coinbase/rosetta-sdk-go/types"
"github.com/pkg/errors"
hmyTypes "github.com/harmony-one/harmony/core/types"
"github.com/harmony-one/harmony/rosetta/common"
)
// ConstructionParse implements the /construction/parse endpoint.
func (s *ConstructAPI) ConstructionParse(
ctx context.Context, request *types.ConstructionParseRequest,
) (*types.ConstructionParseResponse, *types.Error) {
if err := assertValidNetworkIdentifier(request.NetworkIdentifier, s.hmy.ShardID); err != nil {
return nil, err
}
wrappedTransaction, tx, rosettaError := unpackWrappedTransactionFromString(request.Transaction)
if rosettaError != nil {
return nil, rosettaError
}
if request.Signed {
return parseSignedTransaction(ctx, wrappedTransaction, tx)
}
return parseUnsignedTransaction(ctx, wrappedTransaction, tx)
}
// parseUnsignedTransaction ..
func parseUnsignedTransaction(
ctx context.Context, wrappedTransaction *WrappedTransaction, tx hmyTypes.PoolTransaction,
) (*types.ConstructionParseResponse, *types.Error) {
if wrappedTransaction == nil || tx == nil {
return nil, common.NewError(common.CatchAllError, map[string]interface{}{
"message": "nil wrapped transaction or unwrapped transaction",
})
}
// TODO (dm): implement intended receipt for staking transactions
intendedReceipt := &hmyTypes.Receipt{
GasUsed: tx.Gas(),
}
formattedTx, rosettaError := formatTransaction(tx, intendedReceipt)
if rosettaError != nil {
return nil, rosettaError
}
tempAccID, rosettaError := newAccountIdentifier(DefaultSenderAddress)
if rosettaError != nil {
return nil, rosettaError
}
foundSender := false
operations := formattedTx.Operations
for _, op := range operations {
if types.Hash(op.Account) == types.Hash(tempAccID) {
foundSender = true
op.Account = wrappedTransaction.From
}
op.Status = ""
}
if !foundSender {
return nil, common.NewError(common.CatchAllError, map[string]interface{}{
"message": "temp sender not found in transaction operations",
})
}
return &types.ConstructionParseResponse{
Operations: operations,
}, nil
}
// parseSignedTransaction ..
func parseSignedTransaction(
ctx context.Context, wrappedTransaction *WrappedTransaction, tx hmyTypes.PoolTransaction,
) (*types.ConstructionParseResponse, *types.Error) {
if wrappedTransaction == nil || tx == nil {
return nil, common.NewError(common.CatchAllError, map[string]interface{}{
"message": "nil wrapped transaction or unwrapped transaction",
})
}
// TODO (dm): implement intended receipt for staking transactions
intendedReceipt := &hmyTypes.Receipt{
GasUsed: tx.Gas(),
}
formattedTx, rosettaError := formatTransaction(tx, intendedReceipt)
if rosettaError != nil {
return nil, rosettaError
}
sender, err := tx.SenderAddress()
if err != nil {
return nil, common.NewError(common.InvalidTransactionConstructionError, map[string]interface{}{
"message": errors.WithMessage(err, "unable to get sender address, invalid signed transaction"),
})
}
senderID, rosettaError := newAccountIdentifier(sender)
if rosettaError != nil {
return nil, rosettaError
}
if types.Hash(senderID) != types.Hash(wrappedTransaction.From) {
return nil, common.NewError(common.InvalidTransactionConstructionError, map[string]interface{}{
"message": "wrapped transaction sender/from does not match transaction signer",
})
}
for _, op := range formattedTx.Operations {
op.Status = ""
}
return &types.ConstructionParseResponse{
Operations: formattedTx.Operations,
AccountIdentifierSigners: []*types.AccountIdentifier{senderID},
}, nil
}