You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
70 lines
2.5 KiB
70 lines
2.5 KiB
package hmyapi
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
|
|
"github.com/harmony-one/harmony/accounts"
|
|
"github.com/harmony-one/harmony/core/types"
|
|
"github.com/harmony-one/harmony/hmy"
|
|
"github.com/harmony-one/harmony/internal/utils"
|
|
)
|
|
|
|
// PrivateAccountAPI provides an API to access accounts managed by this node.
|
|
// It offers methods to create, (un)lock en list accounts. Some methods accept
|
|
// passwords and are therefore considered private by default.
|
|
type PrivateAccountAPI struct {
|
|
am *accounts.Manager
|
|
nonceLock *AddrLocker
|
|
b *hmy.APIBackend
|
|
}
|
|
|
|
// NewAccount will create a new account and returns the address for the new account.
|
|
func (s *PrivateAccountAPI) NewAccount(password string) (common.Address, error) {
|
|
// TODO: port
|
|
return common.Address{}, nil
|
|
}
|
|
|
|
// SendTransaction will create a transaction from the given arguments and
|
|
// tries to sign it with the key associated with args.To. If the given passwd isn't
|
|
// able to decrypt the key it fails.
|
|
func (s *PrivateAccountAPI) SendTransaction(ctx context.Context, args SendTxArgs, passwd string) (common.Hash, error) {
|
|
if &args.Nonce == nil {
|
|
// Hold the addresse's mutex around signing to prevent concurrent assignment of
|
|
// the same nonce to multiple accounts.
|
|
s.nonceLock.LockAddr(args.From)
|
|
defer s.nonceLock.UnlockAddr(args.From)
|
|
}
|
|
signed, err := s.signTransaction(ctx, &args, passwd)
|
|
if err != nil {
|
|
utils.Logger().Warn().
|
|
Str("from", args.From.Hex()).
|
|
Str("to", args.To.Hex()).
|
|
Uint64("value", args.Value.Uint64()).
|
|
AnErr("err", err).
|
|
Msg("Failed transaction send attempt")
|
|
return common.Hash{}, err
|
|
}
|
|
return SubmitTransaction(ctx, s.b, signed)
|
|
}
|
|
|
|
// signTransaction sets defaults and signs the given transaction
|
|
// NOTE: the caller needs to ensure that the nonceLock is held, if applicable,
|
|
// and release it after the transaction has been submitted to the tx pool
|
|
func (s *PrivateAccountAPI) signTransaction(ctx context.Context, args *SendTxArgs, passwd string) (*types.Transaction, error) {
|
|
// Look up the wallet containing the requested signer
|
|
account := accounts.Account{Address: args.From}
|
|
wallet, err := s.am.Find(account)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// Set some sanity defaults and terminate on failure
|
|
if err := args.setDefaults(ctx, s.b); err != nil {
|
|
return nil, err
|
|
}
|
|
// Assemble the transaction and sign with the wallet
|
|
tx := args.toTransaction()
|
|
|
|
return wallet.SignTxWithPassphrase(account, passwd, tx, s.b.ChainConfig().ChainID)
|
|
}
|
|
|