@frakters/nft-lending-v2
Version:
Client library for interacting with nft lenging solana program
60 lines (59 loc) • 2.31 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.deserializeMint = exports.deserializeAccount = void 0;
const web3_js_1 = require("@solana/web3.js");
const spl_token_1 = require("@solana/spl-token");
// TODO: expose in spl package
exports.deserializeAccount = (data) => {
const accountInfo = spl_token_1.AccountLayout.decode(data);
accountInfo.mint = new web3_js_1.PublicKey(accountInfo.mint);
accountInfo.owner = new web3_js_1.PublicKey(accountInfo.owner);
accountInfo.amount = spl_token_1.u64.fromBuffer(accountInfo.amount);
if (accountInfo.delegateOption === 0) {
accountInfo.delegate = null;
accountInfo.delegatedAmount = new spl_token_1.u64(0);
}
else {
accountInfo.delegate = new web3_js_1.PublicKey(accountInfo.delegate);
accountInfo.delegatedAmount = spl_token_1.u64.fromBuffer(accountInfo.delegatedAmount);
}
accountInfo.isInitialized = accountInfo.state !== 0;
accountInfo.isFrozen = accountInfo.state === 2;
if (accountInfo.isNativeOption === 1) {
accountInfo.rentExemptReserve = spl_token_1.u64.fromBuffer(accountInfo.isNative);
accountInfo.isNative = true;
}
else {
accountInfo.rentExemptReserve = null;
accountInfo.isNative = false;
}
if (accountInfo.closeAuthorityOption === 0) {
accountInfo.closeAuthority = null;
}
else {
accountInfo.closeAuthority = new web3_js_1.PublicKey(accountInfo.closeAuthority);
}
return accountInfo;
};
// TODO: expose in spl package
exports.deserializeMint = (data) => {
if (data.length !== spl_token_1.MintLayout.span) {
throw new Error('Not a valid Mint');
}
const mintInfo = spl_token_1.MintLayout.decode(data);
if (mintInfo.mintAuthorityOption === 0) {
mintInfo.mintAuthority = null;
}
else {
mintInfo.mintAuthority = new web3_js_1.PublicKey(mintInfo.mintAuthority);
}
mintInfo.supply = spl_token_1.u64.fromBuffer(mintInfo.supply);
mintInfo.isInitialized = mintInfo.isInitialized !== 0;
if (mintInfo.freezeAuthorityOption === 0) {
mintInfo.freezeAuthority = null;
}
else {
mintInfo.freezeAuthority = new web3_js_1.PublicKey(mintInfo.freezeAuthority);
}
return mintInfo;
};