• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    公众号

TypeScript tiny-secp256k1.isPoint函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了TypeScript中tiny-secp256k1.isPoint函数的典型用法代码示例。如果您正苦于以下问题:TypeScript isPoint函数的具体用法?TypeScript isPoint怎么用?TypeScript isPoint使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了isPoint函数的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的TypeScript代码示例。

示例1:

 if (!o.pubkeys!.every(x => ecc.isPoint(x)))
开发者ID:bitcoinjs,项目名称:bitcoinjs-lib,代码行数:1,代码来源:p2ms.ts


示例2: p2pkh

export function p2pkh(a: Payment, opts?: PaymentOpts): Payment {
  if (!a.address && !a.hash && !a.output && !a.pubkey && !a.input)
    throw new TypeError('Not enough data');
  opts = Object.assign({ validate: true }, opts || {});

  typef(
    {
      network: typef.maybe(typef.Object),
      address: typef.maybe(typef.String),
      hash: typef.maybe(typef.BufferN(20)),
      output: typef.maybe(typef.BufferN(25)),

      pubkey: typef.maybe(ecc.isPoint),
      signature: typef.maybe(bscript.isCanonicalScriptSignature),
      input: typef.maybe(typef.Buffer),
    },
    a,
  );

  const _address = lazy.value(() => {
    const payload = bs58check.decode(a.address);
    const version = payload.readUInt8(0);
    const hash = payload.slice(1);
    return { version, hash };
  });
  const _chunks = lazy.value(() => {
    return bscript.decompile(a.input!);
  }) as StackFunction;

  const network = a.network || BITCOIN_NETWORK;
  const o: Payment = { network };

  lazy.prop(o, 'address', () => {
    if (!o.hash) return;

    const payload = Buffer.allocUnsafe(21);
    payload.writeUInt8(network.pubKeyHash, 0);
    o.hash.copy(payload, 1);
    return bs58check.encode(payload);
  });
  lazy.prop(o, 'hash', () => {
    if (a.output) return a.output.slice(3, 23);
    if (a.address) return _address().hash;
    if (a.pubkey || o.pubkey) return bcrypto.hash160(a.pubkey! || o.pubkey!);
  });
  lazy.prop(o, 'output', () => {
    if (!o.hash) return;
    return bscript.compile([
      OPS.OP_DUP,
      OPS.OP_HASH160,
      o.hash,
      OPS.OP_EQUALVERIFY,
      OPS.OP_CHECKSIG,
    ]);
  });
  lazy.prop(o, 'pubkey', () => {
    if (!a.input) return;
    return _chunks()[1] as Buffer;
  });
  lazy.prop(o, 'signature', () => {
    if (!a.input) return;
    return _chunks()[0] as Buffer;
  });
  lazy.prop(o, 'input', () => {
    if (!a.pubkey) return;
    if (!a.signature) return;
    return bscript.compile([a.signature, a.pubkey]);
  });
  lazy.prop(o, 'witness', () => {
    if (!o.input) return;
    return [];
  });

  // extended validation
  if (opts.validate) {
    let hash: Buffer = Buffer.from([]);
    if (a.address) {
      if (_address().version !== network.pubKeyHash)
        throw new TypeError('Invalid version or Network mismatch');
      if (_address().hash.length !== 20) throw new TypeError('Invalid address');
      hash = _address().hash;
    }

    if (a.hash) {
      if (hash.length > 0 && !hash.equals(a.hash))
        throw new TypeError('Hash mismatch');
      else hash = a.hash;
    }

    if (a.output) {
      if (
        a.output.length !== 25 ||
        a.output[0] !== OPS.OP_DUP ||
        a.output[1] !== OPS.OP_HASH160 ||
        a.output[2] !== 0x14 ||
        a.output[23] !== OPS.OP_EQUALVERIFY ||
        a.output[24] !== OPS.OP_CHECKSIG
      )
        throw new TypeError('Output is invalid');

//.........这里部分代码省略.........
开发者ID:bitcoinjs,项目名称:bitcoinjs-lib,代码行数:101,代码来源:p2pkh.ts


示例3: p2pk

export function p2pk(a: Payment, opts?: PaymentOpts): Payment {
  if (!a.input && !a.output && !a.pubkey && !a.input && !a.signature)
    throw new TypeError('Not enough data');
  opts = Object.assign({ validate: true }, opts || {});

  typef(
    {
      network: typef.maybe(typef.Object),
      output: typef.maybe(typef.Buffer),
      pubkey: typef.maybe(ecc.isPoint),

      signature: typef.maybe(bscript.isCanonicalScriptSignature),
      input: typef.maybe(typef.Buffer),
    },
    a,
  );

  const _chunks = lazy.value(() => {
    return bscript.decompile(a.input!);
  }) as StackFunction;

  const network = a.network || BITCOIN_NETWORK;
  const o: Payment = { network };

  lazy.prop(o, 'output', () => {
    if (!a.pubkey) return;
    return bscript.compile([a.pubkey, OPS.OP_CHECKSIG]);
  });
  lazy.prop(o, 'pubkey', () => {
    if (!a.output) return;
    return a.output.slice(1, -1);
  });
  lazy.prop(o, 'signature', () => {
    if (!a.input) return;
    return _chunks()[0] as Buffer;
  });
  lazy.prop(o, 'input', () => {
    if (!a.signature) return;
    return bscript.compile([a.signature]);
  });
  lazy.prop(o, 'witness', () => {
    if (!o.input) return;
    return [];
  });

  // extended validation
  if (opts.validate) {
    if (a.output) {
      if (a.output[a.output.length - 1] !== OPS.OP_CHECKSIG)
        throw new TypeError('Output is invalid');
      if (!ecc.isPoint(o.pubkey))
        throw new TypeError('Output pubkey is invalid');
      if (a.pubkey && !a.pubkey.equals(o.pubkey!))
        throw new TypeError('Pubkey mismatch');
    }

    if (a.signature) {
      if (a.input && !a.input.equals(o.input!))
        throw new TypeError('Signature mismatch');
    }

    if (a.input) {
      if (_chunks().length !== 1) throw new TypeError('Input is invalid');
      if (!bscript.isCanonicalScriptSignature(o.signature!))
        throw new TypeError('Input has invalid signature');
    }
  }

  return Object.assign(o, a);
}
开发者ID:bitcoinjs,项目名称:bitcoinjs-lib,代码行数:70,代码来源:p2pk.ts


示例4: isCanonicalPubKey

export function isCanonicalPubKey(buffer: Buffer): boolean {
  return ecc.isPoint(buffer);
}
开发者ID:bitcoinjs,项目名称:bitcoinjs-lib,代码行数:3,代码来源:script.ts


示例5: p2wpkh

export function p2wpkh(a: Payment, opts?: PaymentOpts): Payment {
  if (!a.address && !a.hash && !a.output && !a.pubkey && !a.witness)
    throw new TypeError('Not enough data');
  opts = Object.assign({ validate: true }, opts || {});

  typef(
    {
      address: typef.maybe(typef.String),
      hash: typef.maybe(typef.BufferN(20)),
      input: typef.maybe(typef.BufferN(0)),
      network: typef.maybe(typef.Object),
      output: typef.maybe(typef.BufferN(22)),
      pubkey: typef.maybe(ecc.isPoint),
      signature: typef.maybe(bscript.isCanonicalScriptSignature),
      witness: typef.maybe(typef.arrayOf(typef.Buffer)),
    },
    a,
  );

  const _address = lazy.value(() => {
    const result = bech32.decode(a.address);
    const version = result.words.shift();
    const data = bech32.fromWords(result.words);
    return {
      version,
      prefix: result.prefix,
      data: Buffer.from(data),
    };
  });

  const network = a.network || BITCOIN_NETWORK;
  const o: Payment = { network };

  lazy.prop(o, 'address', () => {
    if (!o.hash) return;

    const words = bech32.toWords(o.hash);
    words.unshift(0x00);
    return bech32.encode(network.bech32, words);
  });
  lazy.prop(o, 'hash', () => {
    if (a.output) return a.output.slice(2, 22);
    if (a.address) return _address().data;
    if (a.pubkey || o.pubkey) return bcrypto.hash160(a.pubkey! || o.pubkey!);
  });
  lazy.prop(o, 'output', () => {
    if (!o.hash) return;
    return bscript.compile([OPS.OP_0, o.hash]);
  });
  lazy.prop(o, 'pubkey', () => {
    if (a.pubkey) return a.pubkey;
    if (!a.witness) return;
    return a.witness[1];
  });
  lazy.prop(o, 'signature', () => {
    if (!a.witness) return;
    return a.witness[0];
  });
  lazy.prop(o, 'input', () => {
    if (!o.witness) return;
    return EMPTY_BUFFER;
  });
  lazy.prop(o, 'witness', () => {
    if (!a.pubkey) return;
    if (!a.signature) return;
    return [a.signature, a.pubkey];
  });

  // extended validation
  if (opts.validate) {
    let hash: Buffer = Buffer.from([]);
    if (a.address) {
      if (network && network.bech32 !== _address().prefix)
        throw new TypeError('Invalid prefix or Network mismatch');
      if (_address().version !== 0x00)
        throw new TypeError('Invalid address version');
      if (_address().data.length !== 20)
        throw new TypeError('Invalid address data');
      hash = _address().data;
    }

    if (a.hash) {
      if (hash.length > 0 && !hash.equals(a.hash))
        throw new TypeError('Hash mismatch');
      else hash = a.hash;
    }

    if (a.output) {
      if (
        a.output.length !== 22 ||
        a.output[0] !== OPS.OP_0 ||
        a.output[1] !== 0x14
      )
        throw new TypeError('Output is invalid');
      if (hash.length > 0 && !hash.equals(a.output.slice(2)))
        throw new TypeError('Hash mismatch');
      else hash = a.output.slice(2);
    }

    if (a.pubkey) {
//.........这里部分代码省略.........
开发者ID:bitcoinjs,项目名称:bitcoinjs-lib,代码行数:101,代码来源:p2wpkh.ts



注:本文中的tiny-secp256k1.isPoint函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
上一篇:
TypeScript tinycolor2.default函数代码示例发布时间:2022-05-25
下一篇:
TypeScript tiny-conf.set函数代码示例发布时间:2022-05-25
热门推荐
热门话题
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap