feat: Add ERC20-like Token

Author: mvines

module.flow.js

@@ -92,4 +92,8 @@ declare module '@solana/web3.js' {
     sign(from: Account): void;
     serialize(): Buffer;
   }
+
+  // === src/token-program.js ===
+  /* TODO */
+
 }

src/connection.js

@@ -148,7 +148,7 @@ type AccountInfo = {
  *
  * @typedef {string} SignatureStatus
  */
-type SignatureStatus = 'Confirmed' | 'SignatureNotFound' | 'ProgramRuntimeError' | 'GenericFailure';
+export type SignatureStatus = 'Confirmed' | 'SignatureNotFound' | 'ProgramRuntimeError' | 'GenericFailure';
 
 /**
  * A connection to a fullnode JSON RPC endpoint

src/index.js

@@ -5,3 +5,4 @@ export {Connection} from './connection';
 export {PublicKey} from './publickey';
 export {SystemProgram} from './system-program';
 export {Transaction} from './transaction';
+export {Token} from './token-program';

src/layout.js

@@ -11,8 +11,8 @@ export const publicKey = (property: string = 'publicKey'): Object => {
 };
 
 /**
- * Layout for a 256bit unsigned value
+ * Layout for a 64bit unsigned value
  */
-export const uint256 = (property: string = 'uint256'): Object => {
-  return BufferLayout.blob(32, property);
+export const uint64 = (property: string = 'uint64'): Object => {
+  return BufferLayout.blob(8, property);
 };

src/publickey.js

@@ -12,7 +12,7 @@ export class PublicKey {
   /**
    * Create a new PublicKey object
    */
-  constructor(number: string | Buffer | Array<number>) {
+  constructor(number: number | string | Buffer | Array<number>) {
 
     for (;;) {
       if (typeof number === 'string') {