blockworks-foundation
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solana
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Add Connection class

This commit is contained in:
Michael Vines 2018-08-23 10:52:48 -07:00
parent 79ab826678
commit 4df189513e
12 changed files with 526 additions and 70 deletions
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19
web3.js/examples/get-balance.js Normal file
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@ -0,0 +1,19 @@
/*
Fetch the balance of an account
*/
//eslint-disable-next-line import/no-commonjs
const solanaWeb3 = require('..');
//const solanaWeb3 = require('@solana/web3.js');
const account = new solanaWeb3.Account();
let url;
url = 'http://localhost:8899';
//url = 'http://master.testnet.solana.com:8899';
const connection = new solanaWeb3.Connection(url);
connection.getBalance(account.publicKey)
.then((balance) => {
console.log(`${account.publicKey} has a balance of ${balance}`);
});

4
web3.js/flow-typed/jayson.js vendored Normal file
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@ -0,0 +1,4 @@
declare module 'jayson/lib/client/browser' {
declare module.exports: any;
}

27
web3.js/flow-typed/node-fetch.js vendored Normal file
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@ -0,0 +1,27 @@
declare module 'node-fetch' {
declare export type Config = {
method?: string;
headers?: {[key: string]: string};
compress?: bool;
body?: Buffer|string;
size?: number;
}
declare export class Headers {
get(name: string): ?string;
set(name: string, value: string): void;
}
declare export class Response {
url: string;
status: string;
statusText: string;
headers: Headers;
ok: bool;
json(): Promise<Object>;
text(): Promise<string>;
}
declare export default (url: string, config?: Config) => Promise<Response>;
}

5
web3.js/flow-typed/superstruct.js vendored Normal file
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@ -0,0 +1,5 @@
declare module 'superstruct' {
declare module.exports: {
struct(schema: any): any;
}
}

1
web3.js/flow-typed/tweetnacl.js vendored
View File

@ -7,6 +7,7 @@ declare module "tweetnacl" {
declare module.exports: {
sign: {
keyPair(): KeyPair;
detached(text: Buffer, secretKey: Buffer): Buffer;
};
};
}

301
web3.js/package-lock.json generated
View File

@ -197,6 +197,16 @@
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"resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.2.tgz",
"integrity": "sha1-SXBJi+YEwgwAXU9cI67NIda0kJk=",
"dev": true,
"requires": {
"asynckit": "0.4.0",
"combined-stream": "1.0.6",
@ -4908,6 +4988,7 @@
"version": "0.1.7",
"resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
"integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
"dev": true,
"requires": {
"assert-plus": "1.0.0"
}
@ -5048,7 +5129,8 @@
"har-schema": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
"integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI="
"integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=",
"dev": true
},
"har-validator": {
"version": "5.0.3",
@ -5257,6 +5339,7 @@
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
"integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
"dev": true,
"requires": {
"assert-plus": "1.0.0",
"jsprim": "1.4.1",
@ -5435,6 +5518,7 @@
"version": "3.0.1",
"resolved": "https://registry.npmjs.org/ignore-walk/-/ignore-walk-3.0.1.tgz",
"integrity": "sha512-DTVlMx3IYPe0/JJcYP7Gxg7ttZZu3IInhuEhbchuqneY9wWe5Ojy2mXLBaQFUQmo0AW2r3qG7m1mg86js+gnlQ==",
"dev": true,
"requires": {
"minimatch": "3.0.4"
}
@ -5865,7 +5949,8 @@
"is-typedarray": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
"integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
"integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
"dev": true
},
"is-utf8": {
"version": "0.2.1",
@ -5909,7 +5994,8 @@
"isstream": {
"version": "0.1.2",
"resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
"integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
"integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
"dev": true
},
"istanbul-api": {
"version": "1.3.1",
@ -6057,6 +6143,21 @@
"is-object": "1.0.1"
}
},
"jayson": {
"version": "2.0.6",
"resolved": "https://registry.npmjs.org/jayson/-/jayson-2.0.6.tgz",
"integrity": "sha512-ZIzF3DZ3ig9rNeOLUzGUbpxjOMqrfUX9a2H+3cmQHIGdBk8nZMEmHVZNXwxNYchgx6UnB/CFV+miFEfOjmMBmA==",
"dev": true,
"requires": {
"JSONStream": "1.3.4",
"commander": "2.15.1",
"es6-promisify": "5.0.0",
"eyes": "0.1.8",
"json-stringify-safe": "5.0.1",
"lodash": "4.17.5",
"uuid": "3.2.1"
}
},
"jest": {
"version": "22.4.3",
"resolved": "https://registry.npmjs.org/jest/-/jest-22.4.3.tgz",
@ -6790,6 +6891,7 @@
"version": "0.1.1",
"resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
"integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
"dev": true,
"optional": true
},
"jsdom": {
@ -6843,12 +6945,14 @@
"json-schema": {
"version": "0.2.3",
"resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
"integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM="
"integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=",
"dev": true
},
"json-schema-traverse": {
"version": "0.3.1",
"resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
"integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A="
"integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A=",
"dev": true
},
"json-stable-stringify": {
"version": "1.0.1",
@ -6868,7 +6972,8 @@
"json-stringify-safe": {
"version": "5.0.1",
"resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
"integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
"integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
"dev": true
},
"json5": {
"version": "0.5.1",
@ -6891,10 +6996,17 @@
"integrity": "sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=",
"dev": true
},
"jsonparse": {
"version": "1.3.1",
"resolved": "https://registry.npmjs.org/jsonparse/-/jsonparse-1.3.1.tgz",
"integrity": "sha1-P02uSpH6wxX3EGL4UhzCOfE2YoA=",
"dev": true
},
"jsprim": {
"version": "1.4.1",
"resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
"integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
"dev": true,
"requires": {
"assert-plus": "1.0.0",
"extsprintf": "1.3.0",
@ -6945,12 +7057,6 @@
"invert-kv": "1.0.0"
}
},
"lcov-parse": {
"version": "0.0.10",
"resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-0.0.10.tgz",
"integrity": "sha1-GwuP+ayceIklBYK3C3ExXZ2m2aM=",
"dev": true
},
"left-pad": {
"version": "1.3.0",
"resolved": "https://registry.npmjs.org/left-pad/-/left-pad-1.3.0.tgz",
@ -7323,12 +7429,6 @@
"integrity": "sha1-7dFMgk4sycHgsKG0K7UhBRakJDg=",
"dev": true
},
"log-driver": {
"version": "1.2.7",
"resolved": "https://registry.npmjs.org/log-driver/-/log-driver-1.2.7.tgz",
"integrity": "sha512-U7KCmLdqsGHBLeWqYlFA0V0Sl6P08EE1ZrmA9cxjUE0WVqT9qnyVDPz1kzpFEP0jdJuFnasWIfSd7fsaNXkpbg==",
"dev": true
},
"longest": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
@ -7490,12 +7590,14 @@
"mime-db": {
"version": "1.33.0",
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.33.0.tgz",
"integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ=="
"integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ==",
"dev": true
},
"mime-types": {
"version": "2.1.18",
"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
"integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
"dev": true,
"requires": {
"mime-db": "1.33.0"
}
@ -7528,6 +7630,7 @@
"version": "3.0.4",
"resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
"integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
"dev": true,
"requires": {
"brace-expansion": "1.1.11"
}
@ -7559,6 +7662,24 @@
}
}
},
"mixin-object": {
"version": "2.0.1",
"resolved": "https://registry.npmjs.org/mixin-object/-/mixin-object-2.0.1.tgz",
"integrity": "sha1-T7lJRB2rGCVA8f4DW6YOGUel5X4=",
"dev": true,
"requires": {
"for-in": "0.1.8",
"is-extendable": "0.1.1"
},
"dependencies": {
"for-in": {
"version": "0.1.8",
"resolved": "https://registry.npmjs.org/for-in/-/for-in-0.1.8.tgz",
"integrity": "sha1-2Hc5COMSVhCZUrH9ubP6hn0ndeE=",
"dev": true
}
}
},
"mkdirp": {
"version": "0.5.1",
"resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
@ -8114,7 +8235,8 @@
"performance-now": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
"integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
"integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
"dev": true
},
"pify": {
"version": "2.3.0",
@ -8267,7 +8389,8 @@
"psl": {
"version": "1.1.29",
"resolved": "https://registry.npmjs.org/psl/-/psl-1.1.29.tgz",
"integrity": "sha512-AeUmQ0oLN02flVHXWh9sSJF7mcdFq0ppid/JkErufc3hGIV/AMa8Fo9VgDo/cT2jFdOWoFvHp90qqBH54W+gjQ=="
"integrity": "sha512-AeUmQ0oLN02flVHXWh9sSJF7mcdFq0ppid/JkErufc3hGIV/AMa8Fo9VgDo/cT2jFdOWoFvHp90qqBH54W+gjQ==",
"dev": true
},
"public-encrypt": {
"version": "4.0.2",
@ -8285,7 +8408,8 @@
"punycode": {
"version": "1.4.1",
"resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
"integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
"integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
"dev": true
},
"qs": {
"version": "6.5.1",
@ -8965,7 +9089,8 @@
"safe-buffer": {
"version": "5.1.1",
"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.1.tgz",
"integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg=="
"integrity": "sha512-kKvNJn6Mm93gAczWVJg7wH+wGYWNrDHdWvpUmHyEsgCtIwwo3bqPtV4tR5tuPaUhTOo/kvhVwd8XwwOllGYkbg==",
"dev": true
},
"safe-regex": {
"version": "1.1.0",
@ -9367,6 +9492,25 @@
"safe-buffer": "5.1.1"
}
},
"shallow-clone": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/shallow-clone/-/shallow-clone-1.0.0.tgz",
"integrity": "sha512-oeXreoKR/SyNJtRJMAKPDSvd28OqEwG4eR/xc856cRGBII7gX9lvAqDxusPm0846z/w/hWYjI1NpKwJ00NHzRA==",
"dev": true,
"requires": {
"is-extendable": "0.1.1",
"kind-of": "5.1.0",
"mixin-object": "2.0.1"
},
"dependencies": {
"kind-of": {
"version": "5.1.0",
"resolved": "https://registry.npmjs.org/kind-of/-/kind-of-5.1.0.tgz",
"integrity": "sha512-NGEErnH6F2vUuXDh+OlbcKW7/wOcfdRHaZ7VWtqCztfHri/++YKmP51OdWeGPuqCOba6kk2OTe5d02VmTB80Pw==",
"dev": true
}
}
},
"shebang-command": {
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
@ -9617,6 +9761,7 @@
"version": "1.14.1",
"resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.1.tgz",
"integrity": "sha1-Ew9Zde3a2WPx1W+SuaxsUfqfg+s=",
"dev": true,
"requires": {
"asn1": "0.2.3",
"assert-plus": "1.0.0",
@ -9632,6 +9777,7 @@
"version": "0.14.5",
"resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
"integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
"dev": true,
"optional": true
}
}
@ -9771,6 +9917,24 @@
"integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
"dev": true
},
"superstruct": {
"version": "0.5.4",
"resolved": "https://registry.npmjs.org/superstruct/-/superstruct-0.5.4.tgz",
"integrity": "sha512-DqMhz5fMxOaj0JtUy9b6oBgCen4frmMKAYCb4TMUocLWP0wvvtrzEk9h9/K0hQ5Vbuvk+Gu4YGRN3v/9HjfY3w==",
"dev": true,
"requires": {
"clone-deep": "2.0.2",
"kind-of": "6.0.2"
},
"dependencies": {
"kind-of": {
"version": "6.0.2",
"resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz",
"integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==",
"dev": true
}
}
},
"supports-color": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
@ -10331,6 +10495,7 @@
"version": "0.6.0",
"resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
"integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
"dev": true,
"requires": {
"safe-buffer": "5.1.1"
}
@ -10583,7 +10748,8 @@
"urlgrey": {
"version": "0.4.4",
"resolved": "https://registry.npmjs.org/urlgrey/-/urlgrey-0.4.4.tgz",
"integrity": "sha1-iS/pWWCAXoVRnxzUOJ8stMu3ZS8="
"integrity": "sha1-iS/pWWCAXoVRnxzUOJ8stMu3ZS8=",
"dev": true
},
"use": {
"version": "3.1.0",
@ -10638,6 +10804,7 @@
"version": "1.10.0",
"resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
"integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
"dev": true,
"requires": {
"assert-plus": "1.0.0",
"core-util-is": "1.0.2",

6
web3.js/package.json
View File

@ -49,8 +49,8 @@
"babel-preset-stage-0": "6.24.1",
"babel-runtime": "^6.26.0",
"bs58": "^4.0.1",
"cross-env": "5.1.4",
"codecov": "^3.0.4",
"cross-env": "5.1.4",
"enzyme": "3.3.0",
"esdoc": "^1.1.0",
"esdoc-ecmascript-proposal-plugin": "^1.0.0",
@ -65,7 +65,10 @@
"flow-bin": "0.70.0",
"flow-typed": "2.4.0",
"fs-file-tree": "1.0.6",
"jayson": "^2.0.6",
"jest": "22.4.3",
"joi": "^13.6.0",
"node-fetch": "^2.2.0",
"rimraf": "2.6.2",
"rollup": "0.58.1",
"rollup-plugin-babel": "3.0.3",
@ -76,6 +79,7 @@
"rollup-plugin-node-resolve": "3.3.0",
"rollup-plugin-replace": "2.0.0",
"rollup-plugin-uglify": "3.0.0",
"superstruct": "^0.5.4",
"tweetnacl": "^1.0.0",
"watch": "^1.0.2"
}

2
web3.js/rollup.config.js
View File

@ -14,6 +14,7 @@ function generateConfig(configType) {
input: 'src/index.js',
plugins: [
nodeResolve(),
json(),
babel({
exclude: '**/node_modules/**',
runtimeHelpers: true,
@ -47,7 +48,6 @@ function generateConfig(configType) {
name: 'solanaWeb3',
},
];
config.plugins.unshift(json());
config.plugins.push(builtins());
config.plugins.push(globals());
break;

7
web3.js/src/account.js
View File

@ -3,6 +3,11 @@ import nacl from 'tweetnacl';
import bs58 from 'bs58';
import type {KeyPair} from 'tweetnacl';
/**
* @typedef {string} PublicKey
*/
export type PublicKey = string;
export class Account {
_keypair: KeyPair;
@ -14,7 +19,7 @@ export class Account {
}
}
get publicKey(): string {
get publicKey(): PublicKey {
return bs58.encode(this._keypair.publicKey);
}

178
web3.js/src/connection.js Normal file
View File

@ -0,0 +1,178 @@
// @flow
import assert from 'assert';
import fetch from 'node-fetch';
import jayson from 'jayson/lib/client/browser';
import nacl from 'tweetnacl';
import {struct} from 'superstruct';
import type {Account, PublicKey} from './account';
/**
* @typedef {string} TransactionSignature
*/
export type TransactionSignature = string;
/**
* @typedef {string} TransactionId
*/
export type TransactionId= string;
type RpcRequest = (methodName: string, args: Array<string>) => any;
function createRpcRequest(url): RpcRequest {
const server = jayson(
async (request, callback) => {
const options = {
method: 'POST',
body: request,
headers: {
'Content-Type': 'application/json',
}
};
try {
const res = await fetch(url, options);
const text = await res.text();
callback(null, text);
} catch (err) {
callback(err);
}
}
);
return (method, args) => {
return new Promise((resolve, reject) => {
server.request(method, args, (err, response) => {
if (err) {
reject(err);
return;
}
resolve(response);
});
});
};
}
const GetBalanceRpcResult = struct({
jsonrpc: struct.literal('2.0'),
id: 'string',
error: 'any?',
result: 'number?',
});
const ConfirmTransactionRpcResult = struct({
jsonrpc: struct.literal('2.0'),
id: 'string',
error: 'any?',
result: 'boolean?',
});
const GetTransactionCountRpcResult = struct({
jsonrpc: struct.literal('2.0'),
id: 'string',
error: 'any?',
result: 'number?',
});
const GetLastId = struct({
jsonrpc: struct.literal('2.0'),
id: 'string',
error: 'any?',
result: 'string?',
});
const GetFinalityRpcResult = struct({
jsonrpc: struct.literal('2.0'),
id: 'string',
error: 'any?',
result: 'number?',
});
function sleep(duration = 0) {
return new Promise((accept) => {
setTimeout(accept, duration);
});
}
export class Connection {
_rpcRequest: RpcRequest;
constructor(endpoint: string) {
this._rpcRequest = createRpcRequest(endpoint);
}
async getBalance(publicKey: string): Promise<number> {
const unsafeRes = await this._rpcRequest(
'getBalance',
[publicKey]
);
const res = GetBalanceRpcResult(unsafeRes);
if (res.error) {
throw new Error(res.error.message);
}
assert(typeof res.result !== 'undefined');
return res.result;
}
async confirmTransaction(signature: TransactionSignature): Promise<boolean> {
const unsafeRes = await this._rpcRequest(
'confirmTransaction',
[signature]
);
const res = ConfirmTransactionRpcResult(unsafeRes);
if (res.error) {
throw new Error(res.error.message);
}
assert(typeof res.result !== 'undefined');
return res.result;
}
async getTransactionCount(): Promise<number> {
const unsafeRes = await this._rpcRequest('getTransactionCount', []);
const res = GetTransactionCountRpcResult(unsafeRes);
if (res.error) {
throw new Error(res.error.message);
}
assert(typeof res.result !== 'undefined');
return Number(res.result);
}
async getLastId(): Promise<TransactionId> {
const unsafeRes = await this._rpcRequest('getLastId', []);
const res = GetLastId(unsafeRes);
if (res.error) {
throw new Error(res.error.message);
}
assert(typeof res.result !== 'undefined');
return res.result;
}
async getFinality(): Promise<number> {
const unsafeRes = await this._rpcRequest('getFinality', []);
const res = GetFinalityRpcResult(unsafeRes);
if (res.error) {
throw new Error(res.error.message);
}
assert(typeof res.result !== 'undefined');
return Number(res.result);
}
async requestAirdrop(account: Account, amount: number): Promise<void> {
console.log(`TODO: airdrop ${amount} to ${account.publicKey}`);
await sleep(500); // TODO
}
async sendTokens(from: Account, to: PublicKey, amount: number): Promise<TransactionSignature> {
const transaction = Buffer.from(
// TODO: This is not the correct transaction payload
`Transaction ${from.publicKey} ${to} ${amount}`
);
const signature = nacl.sign.detached(transaction, from.secretKey);
console.log('Created signature of length', signature.length);
await sleep(500); // TODO: transmit transaction + signature
throw new Error(`Unable to send ${amount} tokens to ${to}`);
}
}

1
web3.js/src/index.js
View File

@ -1 +1,2 @@
export {Account} from './account';
export {Connection} from './connection';

45
web3.js/test/connection.test.js Normal file
View File

@ -0,0 +1,45 @@
// @flow
import {Connection} from '../src/connection';
import {Account} from '../src/account';
const url = 'http://localhost:8899';
//const url = 'http://master.testnet.solana.com:8899';
test.skip('get balance', async () => {
const account = new Account();
const connection = new Connection(url);
const balance = await connection.getBalance(account.publicKey);
expect(balance).toBeGreaterThanOrEqual(0);
});
test.skip('throws on bad transaction', () => {
const connection = new Connection(url);
expect(connection.confirmTransaction('bad transaction signature'))
.rejects.toThrow('Invalid request');
});
test.skip('get transaction count', async () => {
const connection = new Connection(url);
const count = await connection.getTransactionCount();
expect(count).toBeGreaterThanOrEqual(0);
});
test.skip('get last Id', async () => {
const connection = new Connection(url);
const lastId = await connection.getLastId();
expect(lastId.length).toBeGreaterThanOrEqual(43);
});
test.skip('get finality', async () => {
const connection = new Connection(url);
const finality = await connection.getFinality();
expect(finality).toBeGreaterThanOrEqual(0);
});