From cc683e3da9a4fc7785487aff7596b42f5c75ca63 Mon Sep 17 00:00:00 2001
From: robinsdan <115981357+robinsdan@users.noreply.github.com>
Date: Wed, 10 Jan 2024 11:22:59 +0800
Subject: [PATCH] expose pub key to address (#75)

---
 contract/contract.go | 12 ++++++------
 contract/provider.go |  9 ++++-----
 wallet/key.go        |  6 +++---
 3 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/contract/contract.go b/contract/contract.go
index de1119b..8cb9ec8 100644
--- a/contract/contract.go
+++ b/contract/contract.go
@@ -159,7 +159,7 @@ type Txn struct {
 	value    *big.Int
 	nonce    uint64
 	gasLimit uint64
-	gasPrice uint64
+	GasPrice uint64
 	Data     []byte
 	hash     web3.Hash
 }
@@ -182,7 +182,7 @@ func (t *Txn) EstimateGas() (uint64, error) {
 		To:       t.to,
 		Data:     t.Data,
 		Value:    t.value,
-		GasPrice: t.gasPrice,
+		GasPrice: t.GasPrice,
 	}
 	return t.provider.Eth().EstimateGas(msg)
 }
@@ -227,8 +227,8 @@ func (self *SignedTx) SendTransaction(signer *Signer) *web3.Receipt {
 func (t *Txn) ToTransaction() (*web3.Transaction, error) {
 	var err error
 	// estimate gas price
-	if t.gasPrice == 0 {
-		t.gasPrice, err = t.provider.Eth().GasPrice()
+	if t.GasPrice == 0 {
+		t.GasPrice, err = t.provider.Eth().GasPrice()
 		if err != nil {
 			return nil, err
 		}
@@ -254,7 +254,7 @@ func (t *Txn) ToTransaction() (*web3.Transaction, error) {
 	txn := &web3.Transaction{
 		From:     t.from,
 		Input:    t.Data,
-		GasPrice: t.gasPrice,
+		GasPrice: t.GasPrice,
 		Gas:      t.gasLimit,
 		Value:    t.value,
 		Nonce:    t.nonce,
@@ -282,7 +282,7 @@ func (t *Txn) Do() error {
 
 // SetGasPrice sets the gas price of the transaction
 func (t *Txn) SetGasPrice(gasPrice uint64) *Txn {
-	t.gasPrice = gasPrice
+	t.GasPrice = gasPrice
 	return t
 }
 
diff --git a/contract/provider.go b/contract/provider.go
index 8a462ad..521ff4e 100644
--- a/contract/provider.go
+++ b/contract/provider.go
@@ -7,10 +7,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/laizy/web3/executor/remotedb"
-
 	"github.com/laizy/web3"
 	"github.com/laizy/web3/executor"
+	"github.com/laizy/web3/executor/remotedb"
 	"github.com/laizy/web3/jsonrpc"
 	"github.com/laizy/web3/utils"
 	"github.com/laizy/web3/wallet"
@@ -97,7 +96,7 @@ func (self *Signer) WaitTx(hs web3.Hash) *web3.Receipt {
 	}
 }
 
-func (self *Signer) TransferEther(to web3.Address, value *big.Int, msg string) *web3.Transaction {
+func (self *Signer) TransferEther(to web3.Address, value *big.Int, msg string) *Txn {
 	txn := &Txn{
 		from:     self.Address(),
 		to:       &to,
@@ -105,8 +104,8 @@ func (self *Signer) TransferEther(to web3.Address, value *big.Int, msg string) *
 		Data:     []byte(msg),
 		value:    value,
 	}
-	tx := txn.MustToTransaction()
-	return self.SignTx(tx)
+
+	return txn
 }
 
 func (e *Signer) GetNonce(blockNumber web3.BlockNumber) (uint64, error) {
diff --git a/wallet/key.go b/wallet/key.go
index b1487d8..fb5ee82 100644
--- a/wallet/key.go
+++ b/wallet/key.go
@@ -61,11 +61,11 @@ func newKey(priv *ecdsa.PrivateKey) *Key {
 	return &Key{
 		priv: priv,
 		pub:  &priv.PublicKey,
-		addr: pubKeyToAddress(&priv.PublicKey),
+		addr: PubKeyToAddress(&priv.PublicKey),
 	}
 }
 
-func pubKeyToAddress(pub *ecdsa.PublicKey) (addr web3.Address) {
+func PubKeyToAddress(pub *ecdsa.PublicKey) (addr web3.Address) {
 	b := keccak256(elliptic.Marshal(S256, pub.X, pub.Y)[1:])
 	copy(addr[:], b[12:])
 	return
@@ -89,7 +89,7 @@ func Ecrecover(hash, signature []byte) (web3.Address, error) {
 	if err != nil {
 		return web3.Address{}, err
 	}
-	return pubKeyToAddress(pub), nil
+	return PubKeyToAddress(pub), nil
 }
 
 func RecoverPubkey(signature, hash []byte) (*ecdsa.PublicKey, error) {