diff --git a/.gitignore b/.gitignore index b788561..b2a5049 100644 --- a/.gitignore +++ b/.gitignore @@ -1,2 +1,3 @@ node_modules test.js +.vscode/launch.json diff --git a/CHANGELOG.md b/CHANGELOG.md index 956ffa8..55e08fe 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -7,4 +7,5 @@ - Added importWallet() to import account using privateKey - Added initial test - Added functionality to sign message -- Added get balance method to fetch SOL balance of an account \ No newline at end of file +- Added get balance method to fetch SOL balance of an account +- Added functionality to sign SOL and fungible tokens transfer transaction \ No newline at end of file diff --git a/package-lock.json b/package-lock.json index 634632b..5af3920 100644 --- a/package-lock.json +++ b/package-lock.json @@ -9,6 +9,7 @@ "version": "1.0.0", "license": "MIT", "dependencies": { + "@solana/spl-token": "^0.4.8", "@solana/web3.js": "^1.95.1", "bip39": "^3.1.0", "bs58": "^5.0.0", @@ -434,6 +435,285 @@ "node": ">=5.10" } 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"resolved": "https://registry.npmjs.org/@solana/web3.js/-/web3.js-1.95.1.tgz", @@ -633,6 +913,14 @@ "node": ">= 10.0.0" } }, + "node_modules/bignumber.js": { + "version": "9.1.2", + "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.1.2.tgz", + "integrity": "sha512-2/mKyZH9K85bzOEfhXDBFZTGd1CTs+5IHpeFQo9luiBG7hghdC851Pj2WAhb6E3R6b9tZj/XKhbg4fum+Kepug==", + "engines": { + "node": "*" + } + }, "node_modules/binary-extensions": { "version": "2.3.0", "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.3.0.tgz", @@ -1119,6 +1407,12 @@ "resolved": "https://registry.npmjs.org/fast-stable-stringify/-/fast-stable-stringify-1.0.0.tgz", "integrity": "sha512-wpYMUmFu5f00Sm0cj2pfivpmawLZ0NKdviQ4w9zJeR8JVtOpOxHmLaJuj0vxvGqMJQWyP/COUkF75/57OKyRag==" }, + "node_modules/fastestsmallesttextencoderdecoder": { + "version": "1.0.22", + "resolved": "https://registry.npmjs.org/fastestsmallesttextencoderdecoder/-/fastestsmallesttextencoderdecoder-1.0.22.tgz", + 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"license": "MIT", "dependencies": { + "@solana/spl-token": "^0.4.8", "@solana/web3.js": "^1.95.1", "bip39": "^3.1.0", "bs58": "^5.0.0", diff --git a/src/config/index.js b/src/config/index.js index d89a48c..041ed84 100644 --- a/src/config/index.js +++ b/src/config/index.js @@ -3,6 +3,10 @@ module.exports = { solana: { HD_PATH: `m/44'/501'/0'/0'`, }, + solana_transaction: { + NATIVE_TRANSFER: "NATIVE_TRANSFER", + TOKEN_TRANSFER: "TOKEN_TRANSFER", + }, solana_connection: { MAINNET: { NETWORK: "MAINNET", diff --git a/src/helper/generateTransactionObject.js b/src/helper/generateTransactionObject.js new file mode 100644 index 0000000..e3245e3 --- /dev/null +++ b/src/helper/generateTransactionObject.js @@ -0,0 +1,54 @@ +const solanaWeb3 = require('@solana/web3.js'); +const { getOrCreateAssociatedTokenAccount, createTransferInstruction} = require("@solana/spl-token"); + +const { solana_transaction: { NATIVE_TRANSFER, TOKEN_TRANSFER }} = require("../config"); + +async function generateTransactionObject(transaction, signer, connection) { + const { txnType } = transaction; + let rawTransaction = {}; + + if (txnType === NATIVE_TRANSFER) { + const { to, amount } = transaction; + const receiverPublicKey = new solanaWeb3.PublicKey(to); + rawTransaction = new solanaWeb3.Transaction().add( + solanaWeb3.SystemProgram.transfer({ + fromPubkey: signer.publicKey, + toPubkey: receiverPublicKey, + lamports: amount, + }) + ); + } + + if (txnType === TOKEN_TRANSFER) { + const { to, amount, token } = transaction; + const receiverPublicKey = new solanaWeb3.PublicKey(to); + const tokenPublicKey = new solanaWeb3.PublicKey(token); + + let sourceAccount = await getOrCreateAssociatedTokenAccount( + connection, + signer, + tokenPublicKey, + signer.publicKey + ); + + const toTokenAccount = await getOrCreateAssociatedTokenAccount( + connection, + signer, + tokenPublicKey, + receiverPublicKey + ); + + rawTransaction = new solanaWeb3.Transaction().add( + createTransferInstruction( + sourceAccount.address, + toTokenAccount.address, + signer.publicKey, + amount + ) + ); + } + + return rawTransaction; +} + +module.exports = generateTransactionObject; diff --git a/src/helper/index.js b/src/helper/index.js index dde3a58..22f8b26 100644 --- a/src/helper/index.js +++ b/src/helper/index.js @@ -2,10 +2,14 @@ const setupAccount = require('./account') const getNetwork = require('./getNetwork') const importAccount = require('./importAccount') const getHDPath = require("./getHdPath") +const signTransaction = require('./signTransaction') +const generateTransactionObject = require('./generateTransactionObject') module.exports = { setupAccount, getNetwork, importAccount, - getHDPath + getHDPath, + signTransaction, + generateTransactionObject } \ No newline at end of file diff --git a/src/helper/signTransaction.js b/src/helper/signTransaction.js new file mode 100644 index 0000000..f0c35f7 --- /dev/null +++ b/src/helper/signTransaction.js @@ -0,0 +1,16 @@ +async function sign(transaction, signer, connection, otherSigners) { + + transaction.recentBlockhash = ( + await connection.getRecentBlockhash('max') + ).blockhash; + + transaction.sign(signer) + if (otherSigners.length > 0) { + transaction.partialSign(...otherSigners); + } + + const rawTransaction = transaction.serialize(); + return rawTransaction; +} + +module.exports = sign \ No newline at end of file diff --git a/src/index.js b/src/index.js index 88286ba..558b5b0 100644 --- a/src/index.js +++ b/src/index.js @@ -5,7 +5,10 @@ const ObservableStore = require("obs-store"); const solanaWeb3 = require('@solana/web3.js'); -const { solana: { HD_PATH }, solana_connection: { MAINNET }} = require('./config') +const { + solana: { HD_PATH }, + solana_connection: { MAINNET }, +} = require("./config"); class KeyringController { constructor(opts) { @@ -62,12 +65,39 @@ class KeyringController { const idx = address.indexOf(_address); if (idx < 0) - throw "Invalid address, the address is not available in the wallet" - - const accountDetails = helper.setupAccount(mnemonic, helper.getHDPath(idx)) - const msg = Buffer.from(message) - - return { signedMessage: bs58.encode(nacl.sign.detached(msg, accountDetails.secretKey)) }; + throw "Invalid address, the address is not available in the wallet"; + + const accountDetails = helper.setupAccount(mnemonic, helper.getHDPath(idx)); + const msg = Buffer.from(message); + + return { + signedMessage: bs58.encode( + nacl.sign.detached(msg, accountDetails.secretKey) + ), + }; + } + + async signTransaction(transaction) { + const { mnemonic, address, network, networkType } = this.store.getState(); + + const { from } = transaction; + const idx = address.indexOf(from); + if (idx < 0) + throw "Invalid address, the address is not available in the wallet"; + + try { + const signer = helper.setupAccount(mnemonic, helper.getHDPath(idx)); + + const connection = new solanaWeb3.Connection(network, "confirmed"); + + const rawTx = await helper.generateTransactionObject(transaction, signer, connection); + const rawSignedTxn = await helper.signTransaction(rawTx, signer, connection, []); + + const signedTxn = rawSignedTxn.toString("hex"); + return { signedTransaction: signedTxn }; + } catch (err) { + throw err; + } } persistAllAddress(_address) {