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import { Factory as KeypairFactory } from "@swtc/keypairs"
const Factory = (token_or_chain = "jingtum") => {
const chain = funcGetChain(token_or_chain)
Iif (!chain) {
throw Error("token or chain not supported")
}
const KeyPair = KeypairFactory(chain.code)
return class Wallet {
public static token = chain.currency.toUpperCase()
public static chain = chain.code.toLowerCase()
public static KeyPair = KeyPair
public static config = chain
public static getCurrency() {
return Wallet.token || "SWT"
}
public static getCurrencies() {
return Wallet.config.CURRENCIES || {}
}
public static getChain() {
return Wallet.chain || "jingtum"
}
public static getFee() {
return Wallet.config.fee || 10000
}
public static getAccountZero() {
return Wallet.config.ACCOUNT_ZERO || "jjjjjjjjjjjjjjjjjjjjjhoLvTp"
}
public static getAccountOne() {
return Wallet.config.ACCOUNT_ONE || "jjjjjjjjjjjjjjjjjjjjBZbvri"
}
public static getIssuer() {
return Wallet.config.issuer || "jGa9J9TkqtBcUoHe2zqhVFFbgUVED6o9or"
}
public static makeCurrency(
currency = Wallet.token,
issuer = Wallet.getIssuer()
) {
const CURRENCIES = Wallet.getCurrencies()
currency = currency.toUpperCase()
currency = CURRENCIES.hasOwnProperty(currency)
? CURRENCIES[currency]
: currency
return currency === Wallet.token
? { currency, issuer: "" }
: { currency, issuer }
}
public static makeAmount(
value = 1,
currency = Wallet.token,
issuer = Wallet.getIssuer()
) {
return typeof currency === "object"
? Object.assign({}, currency, { value: Number(value) })
: Object.assign({}, this.makeCurrency(currency, issuer), {
value: Number(value)
})
}
public static generate(options: any = {}) {
const secret = KeyPair.generateSeed(options)
const keypair = KeyPair.deriveKeyPair(secret)
const address = KeyPair.deriveAddress(keypair.publicKey)
return {
secret,
address
}
}
public static fromSecret(secret_or_private_key, algorithm = "sec256k1") {
try {
let secret = secret_or_private_key
const keypair = KeyPair.deriveKeyPair(secret_or_private_key, algorithm)
const address = KeyPair.deriveAddress(keypair.publicKey)
Eif (/^s/.test(secret_or_private_key)) {
// secret starts with s
secret = secret_or_private_key
} else if (secret_or_private_key.length >= 64) {
// private key for hdwallet
secret = "privatekey"
} else {
throw new Error("use secret or private key to get wallet")
}
return {
secret,
address
}
} catch (err) {
return null
}
}
public static isValidAddress(address) {
return KeyPair.isValidAddress(address)
}
public static isValidSecret(secret) {
try {
KeyPair.deriveKeyPair(secret)
} catch (err) {
return false
}
return true
}
public static checkTx(message, signature, publicKey) {
return KeyPair.verifyTx(message, signature, publicKey)
// return ec.verify(message, signature, hexToBytes(publicKey))
}
public _keypairs
public _secret
constructor(secret_or_private_key: any, algorithm = "sec256k1") {
// extend for hdwallet, take secret or privatekey, plugs algorithm for raw privateKey
try {
this._keypairs = KeyPair.deriveKeyPair(secret_or_private_key, algorithm)
Iif (typeof secret_or_private_key !== "string") {
throw new Error("use secret or private key to instantiate wallet")
} else if (/^s/.test(secret_or_private_key)) {
// secret starts with s
this._secret = secret_or_private_key
} else Eif (secret_or_private_key.length >= 64) {
// private key for hdwallet
// this._secret = secret_or_private_key
this._secret = "privatekey"
} else {
throw new Error("use secret or private key to instantiate wallet")
}
} catch (err) {
this._keypairs = null
this._secret = null
}
}
/**
* get wallet address
* @returns {*}
*/
public address() {
if (!this._keypairs) return null
const address = KeyPair.deriveAddress(this._keypairs.publicKey)
return address
}
/**
* get wallet secret
* @returns {*}
*/
public secret() {
if (!this._keypairs) return null
return this._secret
}
/*
* Get the public key from key pair
* used for local signing operation.
*/
public isEd25519() {
Iif (!this._keypairs) return false
return this._keypairs.privateKey.slice(0, 2).toUpperCase() === "ED"
}
public toJson() {
if (!this._keypairs) return null
return {
secret: this.secret(),
address: this.address()
}
}
/*
* Get the public key from key pair
* used for local signing operation.
*/
public getPublicKey() {
if (!this._keypairs) return null
return this._keypairs.publicKey
}
/**
* sign message with wallet privatekey
* @param message
* @returns {*}
*/
public sign(message) {
if (!message) return null
if (!this._keypairs) return null
const privateKey = this._keypairs.privateKey
// Export DER encoded signature in Array
return KeyPair.sign(message, privateKey)
}
/**
* verify signature with wallet publickey
* @param message
* @param signature
* @returns {*}
*/
public verify(message, signature) {
if (!this._keypairs) return null
const publicKey = this.getPublicKey()
return KeyPair.verify(message, signature, publicKey)
}
/**
* sign message with wallet privatekey
* Export DER encoded signature in Array
* @param message
* @returns {*}
*/
public signTx(message) {
if (!message) return null
if (!this._keypairs) return null
const privateKey = this._keypairs.privateKey
// Export DER encoded signature in Array
return KeyPair.signTx(message, privateKey)
}
/**
* verify signature with wallet publickey
* @param message
* @param signature
* @returns {*}
*/
public verifyTx(message, signature) {
if (!this._keypairs) return null
const publicKey = this.getPublicKey()
return KeyPair.verifyTx(message, signature, publicKey)
}
}
}
export { Factory }
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