crypto-addr-codec - npm Package Compare versions

Comparing version 0.1.6 to 0.1.7

dist/index.js

@@ -1,2 +0,2 @@
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t=n.Buffer.allocUnsafe(32);return t.writeInt32BE(this._a,0),t.writeInt32BE(this._b,4),t.writeInt32BE(this._c,8),t.writeInt32BE(this._d,12),t.writeInt32BE(this._e,16),t.writeInt32BE(this._f,20),t.writeInt32BE(this._g,24),t.writeInt32BE(this._h,28),t};var E=new(function(){function t(t){this.sha256=t.sha256,this.alphabet=t.alphabet,this.codec=e(this.alphabet),this.base=this.alphabet.length}var r=t.prototype;return r.encodeChecked=function(t){var r=this.sha256(this.sha256(t)).slice(0,4);return this.encodeRaw(Buffer.from(function(){for(var t=[],r=arguments.length,e=new Array(r),n=0;n<r;n++)e[n]=arguments[n];return e.forEach(function(r){if(x(r))for(var e=0;e<r.length;e++)t.push(r[e]);else t.push(r)}),t}(t,r)))},r.encodeRaw=function(t){return this.codec.encode(t)},r.decodeChecked=function(t){var r=this.decodeRaw(t);if(r.length<5)throw new Error("invalid_input_size: decoded data must have length >= 5");if(!this.verifyCheckSum(r))throw new Error("checksum_invalid");return r.slice(0,-4)},r.decodeRaw=function(t){return this.codec.decode(t)},r.verifyCheckSum=function(t){return function(t,r){if(t.length!==r.length)return!1;for(var e=0;e<t.length;e++)if(t[e]!==r[e])return!1;return!0}(this.sha256(this.sha256(t.slice(0,-4))).slice(0,4),t.slice(-4))},t}())({sha256:function(t){return(new y).update(Buffer.from(t)).digest()},alphabet:"rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz"}),I=function(t){return"0x"===t.slice(0,2)?t.slice(2):t},B=function(t,e){if(void 0===e&&(e=null),"string"!=typeof t)throw new Error("stripHexPrefix param must be type 'string', is currently type "+typeof t+".");for(var n,i=I(t).toLowerCase(),o=(n=(null!=e?e.toString()+"0x":"")+i,new r.Keccak(256).update(n).digest()).toString("hex"),f="0x",u=0;u<i.length;u++)f+=parseInt(o[u],16)>=8?i[u].toUpperCase():i[u];return f},A=function(t,r){if(!t)throw r},S=function(t,r){if(!Buffer.isBuffer(t))throw r},k=i.one,z=i.zero,C=i(3);function O(t,r){return 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r=t.affineX,e=t.affineY,n=this.a,i=this.b,o=this.p;if(r.compare(L)<0||r.compareTo(o)>=0)return!1;if(e.compare(L)<0||e.compareTo(o)>=0)return!1;var f=e.square().mod(o),u=r.pow(3).add(n.multiply(r)).add(i).mod(o);return f.equals(u)},R.prototype.validate=function(t){A(!this.isInfinity(t),"Point is at infinity"),A(this.isOnCurve(t),"Point is not on the curve");var r=t.multiply(this.n);return A(this.isInfinity(r),"Point is not a scalar multiple of G"),!0};var M={p:"fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",a:"00",b:"07",n:"fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141",h:"01",Gx:"79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798",Gy:"483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8"};function F(t,e){return new r.SHA3(256).update(t).digest(e)}function T(t){return Buffer.from((new f.RIPEMD160).update(t).digest())}function D(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(S(t,"expecting 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t&&t.Q)return N(t.Q);function e(){var r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.compressed;return t.getEncoded(r)}function n(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"EOS";return t+D(e())}function i(){return e().toString("hex")}return{Q:t,toString:n,toBuffer:e,toHex:i}}N.isValid=function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";try{return N(t,r),!0}catch(t){return!1}},N.fromBuffer=function(t){return N(q.decodeFrom(G,t))},N.fromString=function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";try{return N.fromStringOrThrow(t,r)}catch(t){return null}},N.fromStringOrThrow=function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS",e=t.match(/^PUB_([A-Za-z0-9]+)_([A-Za-z0-9]+)$/);if(null===e){var n=new RegExp("^"+r);return n.test(t)&&(t=t.substring(r.length)),N.fromBuffer(H(t))}var i=e[1],o=e[2];return N.fromBuffer(H(o,i))},N.fromHex=function(t){return N.fromBuffer(new Buffer(t,"hex"))},N.fromStringHex=function(t){return N.fromString(new Buffer(t,"hex"))};var X=e("ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"),K=X.encode,Y=X.decode,V=function(t){return void 0===t},Q={ed25519PublicKey:48,ed25519SecretSeed:144,preAuthTx:152,sha256Hash:184},Z=function(t){var r=Buffer.alloc(2);return r.writeUInt16LE(function(t,r){Buffer.isBuffer(t)||(t=new Buffer);for(var e=0,n=0;n<t.length;n++){var i=e>>>8&255;i^=255&t[n],e=e<<8&65535,e^=i^=i>>>4,e^=i=i<<5&65535,e^=i=i<<7&65535}return e}(t),0),r};function J(t){return(J=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function W(t,r){return(W=Object.setPrototypeOf||function(t,r){return t.__proto__=r,t})(t,r)}function $(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],function(){})),!0}catch(t){return!1}}function tt(t,r,e){return(tt=$()?Reflect.construct:function(t,r,e){var n=[null];n.push.apply(n,r);var i=new(Function.bind.apply(t,n));return e&&W(i,e.prototype),i}).apply(null,arguments)}function rt(t){var r="function"==typeof Map?new Map:void 0;return(rt=function(t){if(null===t||-1===Function.toString.call(t).indexOf("[native code]"))return t;if("function"!=typeof t)throw new TypeError("Super expression must either be null or a function");if(void 0!==r){if(r.has(t))return r.get(t);r.set(t,e)}function e(){return tt(t,arguments,J(this).constructor)}return e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),W(e,t)})(t)}var et=[0,1,2,42,43,68,69],nt=function(t){for(var r=new Uint8Array(t.length),e=0;e<t.length;e++)r[e]=t.charCodeAt(e);return r}("SS58PRE"),it=function(t){var r,e;function n(){return t.apply(this,arguments)||this}return 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0==(t&=63)||(t<32?(r>>>=t,r|=this.hi<<32-t):r=this.hi>>>t-32),r},t}(),at=Buffer.allocUnsafe(105),ht="qpzry9x8gf2tvdw0s3jn54khce6mua7l",ct=[-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,15,-1,10,17,21,20,26,30,7,5,-1,-1,-1,-1,-1,-1,-1,29,-1,24,13,25,9,8,23,-1,18,22,31,27,19,-1,1,0,3,16,11,28,12,14,6,4,2,-1,-1,-1,-1,-1,-1,29,-1,24,13,25,9,8,23,-1,18,22,31,27,19,-1,1,0,3,16,11,28,12,14,6,4,2,-1,-1,-1,-1,-1],lt=new st(7,4294967295),dt=[new st(152,4072443489),new st(121,3077413346),new st(243,1046459332),new st(174,783016616),new st(30,1329849456)];function pt(t,r){var e=t,n=e.hi>>>3;e.hi&=lt.hi,e.lo&=lt.lo,e.hi<<=5,e.hi|=e.lo>>>27,e.lo<<=5;for(var i=0;i<dt.length;i++)n>>>i&1&&(e.hi^=dt[i].hi,e.lo^=dt[i].lo);return e.lo^=r,e}function vt(t,r,e,n,i,o,f){ut(Buffer.isBuffer(t)),ut(r>>>0===r),ut(Buffer.isBuffer(e)),ut(n>>>0===n),ut((255&i)===i),ut((255&o)===o),ut("boolean"==typeof f);for(var u=(1<<o)-1,s=0,a=0;r<t.length;r++){var h=t[r];if(h>>>i!=0)throw new Error("Invalid bits.");for(s=s<<i|h,a+=i;a>=o;)e[n++]=s>>>(a-=o)&u}if(f)a&&(e[n++]=s<<o-a&u);else if(a>=i||s<<o-a&u)throw new Error("Invalid bits.");return ut(n<=e.length),e.slice(0,n)}var yt=function(t){function r(r){var e=r.slice(0,-4),n=r.slice(-4),i=t(e);if(!(n[0]^i[0]|n[1]^i[1]|n[2]^i[2]|n[3]^i[3]))return e}return{bs58Encode:function(r){var e=t(r);return o.encode(Buffer.concat([r,e],r.length+4))},bs58Decode:function(t){var e=r(o.decode(t));if(!e)throw new Error("Invalid checksum");return e},decodeUnsafe:function(t){var e=o.decodeUnsafe(t);if(e)return r(e)}}}(function(t){var r=(new y).update(t).digest();return(new y).update(r).digest()}),gt=yt.bs58Decode,wt=yt.bs58Encode;exports.b32decode=h,exports.b32encode=function(t){var r=[],e=Math.floor(t.length/5),n=t.length%5;if(0!=n){for(var i=0;i<5-n;i++)t+="\0";e+=1}for(var o=0;o<e;o++)r.push(s.charAt(t.charCodeAt(5*o)>>3)),r.push(s.charAt((7&t.charCodeAt(5*o))<<2|t.charCodeAt(5*o+1)>>6)),r.push(s.charAt((63&t.charCodeAt(5*o+1))>>1)),r.push(s.charAt((1&t.charCodeAt(5*o+1))<<4|t.charCodeAt(5*o+2)>>4)),r.push(s.charAt((15&t.charCodeAt(5*o+2))<<1|t.charCodeAt(5*o+3)>>7)),r.push(s.charAt((127&t.charCodeAt(5*o+3))>>2)),r.push(s.charAt((3&t.charCodeAt(5*o+3))<<3|t.charCodeAt(5*o+4)>>5)),r.push(s.charAt(31&t.charCodeAt(5*o+4)));var f=0;1==n?f=6:2==n?f=4:3==n?f=3:4==n&&(f=1);for(var u=0;u<f;u++)r.pop();for(var a=0;a<f;a++)r.push("=");return r.join("")},exports.bs58Decode=gt,exports.bs58Encode=wt,exports.calculateChecksum=Z,exports.cashaddrDecode=function(t,r){void 0===r&&(r="bitcoincash"),ut("string"==typeof t),ut("string"==typeof r);var e=function(t,r){if(ut("string"==typeof t),t.length<8||t.length>196)throw new Error("Invalid cashaddr data length.");for(var e=!1,n=!1,i=!1,o=0,f=0;f<t.length;f++){var u=t.charCodeAt(f);if(u>=97&&u<=122)e=!0;else if(u>=65&&u<=90)n=!0;else if(u>=48&&u<=57)i=!0;else{if(58!==u)throw new Error("Invalid cashaddr character.");if(i||0===f||f>83)throw new Error("Invalid cashaddr prefix.");if(0!==o)throw new Error("Invalid cashaddr separators.");o=f}}if(n&&e)throw new Error("Invalid cashaddr casing.");var s,a=new st(0,1);0===o?s=r.toLowerCase():(s=t.substring(0,o).toLowerCase(),o+=1);for(var h=0;h<s.length;h++)pt(a,31&(32|s.charCodeAt(h)));pt(a,0);var c=t.length-o;if(c<=8||c>112)throw new Error("Invalid cashaddr data length.");for(var l=Buffer.allocUnsafe(c),d=o;d<t.length;d++){var p=t.charCodeAt(d),v=65408&p?-1:ct[p];if(-1===v)throw new Error("Invalid cashaddr character.");pt(a,v),d+8<t.length&&(l[d-o]=v)}if(0!==a.hi||1!==a.lo||s!==r)throw new Error("Invalid cashaddr checksum.");return[s,l.slice(0,-8)]}(t,r),n=e[0],i=e[1],o=5*i.length&7;if(o>=5)throw new Error("Invalid padding in data.");if(i[i.length-1]&(1<<o)-1)throw new Error("Non zero padding.");var f=vt(i,0,i,0,5,8,!1),u=f[0]>>>3&31,s=f.slice(1),a=20+4*(3&f[0]);if(4&f[0]&&(a*=2),a!==s.length)throw new Error("Invalid cashaddr data length.");return{prefix:n,type:u,hash:s}},exports.cashaddrEncode=function(t,r,e){if(ut("string"==typeof t),ut((15&r)===r,"Invalid cashaddr type."),ut(Buffer.isBuffer(e)),0===t.length||t.length>83)throw new Error("Invalid cashaddr prefix.");var n=function(t){switch(ut(t>>>0===t),t){case 20:return 0;case 24:return 1;case 28:return 2;case 32:return 3;case 40:return 4;case 48:return 5;case 56:return 6;case 64:return 7;default:throw new Error("Non standard length.")}}(e.length),i=Buffer.allocUnsafe(e.length+1);return i[0]=r<<3|n,e.copy(i,1),function(t,r){ut("string"==typeof t),ut(Buffer.isBuffer(r));for(var e=new st(0,1),n="",i=!1,o=!1,f=0;f<t.length;f++){var u=t.charCodeAt(f);if(65280&u||u>>>5==0)throw new Error("Invalid cashaddr character.");if(u>=97&&u<=122)o=!0;else if(u>=65&&u<=90)i=!0,u=u-65+97;else if(u>=48&&u<=57)throw new Error("Invalid cashaddr prefix.");pt(e,31&u),n+=String.fromCharCode(u)}if(o&&i)throw new Error("Invalid cashaddr prefix.");pt(e,0),n+=":";for(var s=0;s<r.length;s++){var a=r[s];if(a>>>5!=0)throw new Error("Invalid cashaddr value.");pt(e,a),n+=ht[a]}for(var h=0;h<8;h++)pt(e,0);e.lo^=1;for(var c=0;c<8;c++){var l=31&e.ushrn32(5*(7-c));n+=ht[l]}return n}(t,vt(i,0,at,0,8,5,!0))},exports.codec=E,exports.decodeCheck=function(t,r){if("string"!=typeof r)throw new TypeError("encoded argument must be of type String");var e=Y(r),n=e[0],i=e.slice(0,-2),o=i.slice(1),f=e.slice(-2);if(r!==K(e))throw new Error("invalid encoded string");var u=Q[t];if(V(u))throw new Error(t+' is not a valid version byte name.  expected one of "accountId" or "seed"');if(n!==u)throw new Error("invalid version byte. expected "+u+", got "+n);if(!function(t,r){if(t.length!==r.length)return!1;if(0===t.length)return!0;for(var e=0;e<t.length;e+=1)if(t[e]!==r[e])return!1;return!0}(Z(i),f))throw new Error("invalid checksum");return Buffer.from(o)},exports.encodeCheck=function(t,r){if(null===r||V(r))throw new Error("cannot encode null data");var e=Q[t];if(V(e))throw new Error(t+' is not a valid version byte name.  expected one of "ed25519PublicKey", "ed25519SecretSeed", "preAuthTx", "sha256Hash"');r=Buffer.from(r);var n=Buffer.from([e]),i=Buffer.concat([n,r]),o=Z(i),f=Buffer.concat([i,o]);return K(f)},exports.eosPublicKey=N,exports.hex2a=function(t){for(var r=t.toString(),e="",n=0;n<r.length;n+=2)e+=String.fromCharCode(parseInt(r.substr(n,2),16));return e},exports.isValid=function(t){var e=t.toString().toUpperCase().replace(/-/g,"");if(!e||40!==e.length)return!1;var n,i=function(t){for(var r="",e=0;e<t.length;e++){var n=Math.round(t[e]).toString(16);1===n.length&&(n="0"+n),r+=n}return r}(h(e));return n=Buffer.from(i.slice(0,42),"hex"),new r.Keccak(256).update(n).digest("hex").toString().substr(0,8)===i.slice(42)},exports.isValidChecksumAddress=function(t,r){return function(t){return/^0x[0-9a-fA-F]{40}$/.test(t)}(t)&&B(t,r)===t},exports.ss58Decode=function(t,r){var e;void 0===r&&(r=0);try{e=o.decode(t)}catch(t){return null}if(-1===et.indexOf(e[0]))return null;if(e.length<3)return null;var n,i=e.length<=3?1:e.length<=5?2:e.length<=9?4:e.length<=17?8:32,f=e.length-1-i,s=e.slice(1,1+i);e.slice(1+e.length),32===i&&(n=s);var a=i<32?new it(function(t){var r=0,e=1;return t.forEach(function(t){r+=t*e,e*=256}),r}(s)):new Buffer.from(s);if(e[0]%1&&!n&&!r)return null;for(var h=u.blake2b(ot(nt,e[0]%1?n||r(a):e.slice(0,1+i))),c=0;c<f;++c)if(h[c]!==e[1+i+c])return null;return a},exports.ss58Encode=function(t,r,e,n,i){var f;if(void 0===r&&(r=42),void 0===e&&(e=null),void 0===n&&(n=null),-1===et.indexOf(r))throw new Error("Unknown ss58 address type",r);if("number"==typeof t||t instanceof it){var s=t<256?1:t<65536?2:t<1?4:8;if(-1===[1,2,4,8].indexOf(n=n||s))throw new Error("Invalid length");if(n=Math.max(s,n),e&&"number"!=typeof e)throw new Error("Invalid checksum length");switch(n){case 1:e=1;break;case 2:e=[1,2].indexOf(e)+1||1;break;case 4:e=[1,2,3,4].indexOf(e)+1||1;break;case 8:e=[1,2,3,4,5,6,7,8].indexOf(e)+1||1}f=function(t,r){var e=!1;t<0&&(t=-t-1,e=!0);for(var n=new Uint8Array(r),i=0;i<r;++i)n[i]=t%256,e&&(n[i]=255&~n[i]),t/=256;return n}(t,n)}else{if(!(t instanceof Uint8Array)||32!==t.length&&35!==t.length)throw new Error("Unknown item to encode as ss58. Passing back.",t);e=2,i=f=35===t.length?t.slice(1,33):t}var a=u.blake2b(ot(nt,1&r?i:ot(r,f))),h=ot(ot(r,f),a.slice(0,e));return o.encode(Buffer.from(h))},exports.stripHexPrefix=I,exports.toChecksumAddress=B,exports.ua2hex=function(t){for(var r="",e=0;e<t.length;e++){var n=t[e];r+=a[n>>>4],r+=a[15&n]}return r};
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s=f%i,a=Math.min(o-u,i-s),h=0;h<a;h++)e[s+h]=t[u+h];u+=a,(f+=a)%i==0&&this._update(e)}return this._len+=o,this},c.prototype.digest=function(t){var r=this._len%this._blockSize;this._block[r]=128,this._block.fill(0,r+1),r>=this._finalSize&&(this._update(this._block),this._block.fill(0));var e=8*this._len;if(e<=4294967295)this._block.writeUInt32BE(e,this._blockSize-4);else{var n=(4294967295&e)>>>0;this._block.writeUInt32BE((e-n)/4294967296,this._blockSize-8),this._block.writeUInt32BE(n,this._blockSize-4)}this._update(this._block);var i=this._hash();return t?i.toString(t):i},c.prototype._update=function(){throw new Error("_update must be implemented by subclass")};var l,d,p=[1116352408,1899447441,3049323471,3921009573,961987163,1508970993,2453635748,2870763221,3624381080,310598401,607225278,1426881987,1925078388,2162078206,2614888103,3248222580,3835390401,4022224774,264347078,604807628,770255983,1249150122,1555081692,1996064986,2554220882,2821834349,2952996808,3210313671,3336571891,3584528711,113926993,338241895,666307205,773529912,1294757372,1396182291,1695183700,1986661051,2177026350,2456956037,2730485921,2820302411,3259730800,3345764771,3516065817,3600352804,4094571909,275423344,430227734,506948616,659060556,883997877,958139571,1322822218,1537002063,1747873779,1955562222,2024104815,2227730452,2361852424,2428436474,2756734187,3204031479,3329325298],v=new Array(64);function y(){this.init(),this._w=v,c.call(this,64,56)}function g(t,r,e){return e^t&(r^e)}function w(t,r,e){return t&r|e&(t|r)}function m(t){return(t>>>2|t<<30)^(t>>>13|t<<19)^(t>>>22|t<<10)}function b(t){return(t>>>6|t<<26)^(t>>>11|t<<21)^(t>>>25|t<<7)}function _(t){return(t>>>7|t<<25)^(t>>>18|t<<14)^t>>>3}function x(t){return void 0!==t.length}l=y,(d=c)&&(l.super_=d,l.prototype=Object.create(d.prototype,{constructor:{value:l,enumerable:!1,writable:!0,configurable:!0}})),y.prototype.init=function(){return this._a=1779033703,this._b=3144134277,this._c=1013904242,this._d=2773480762,this._e=1359893119,this._f=2600822924,this._g=528734635,this._h=1541459225,this},y.prototype._update=function(t){for(var r,e=this._w,n=0|this._a,i=0|this._b,o=0|this._c,f=0|this._d,u=0|this._e,s=0|this._f,a=0|this._g,h=0|this._h,c=0;c<16;++c)e[c]=t.readInt32BE(4*c);for(;c<64;++c)e[c]=0|(((r=e[c-2])>>>17|r<<15)^(r>>>19|r<<13)^r>>>10)+e[c-7]+_(e[c-15])+e[c-16];for(var l=0;l<64;++l){var d=h+b(u)+g(u,s,a)+p[l]+e[l]|0,v=m(n)+w(n,i,o)|0;h=a,a=s,s=u,u=f+d|0,f=o,o=i,i=n,n=d+v|0}this._a=n+this._a|0,this._b=i+this._b|0,this._c=o+this._c|0,this._d=f+this._d|0,this._e=u+this._e|0,this._f=s+this._f|0,this._g=a+this._g|0,this._h=h+this._h|0},y.prototype._hash=function(){var t=n.Buffer.allocUnsafe(32);return t.writeInt32BE(this._a,0),t.writeInt32BE(this._b,4),t.writeInt32BE(this._c,8),t.writeInt32BE(this._d,12),t.writeInt32BE(this._e,16),t.writeInt32BE(this._f,20),t.writeInt32BE(this._g,24),t.writeInt32BE(this._h,28),t};var E=new(function(){function t(t){this.sha256=t.sha256,this.alphabet=t.alphabet,this.codec=e(this.alphabet),this.base=this.alphabet.length}var r=t.prototype;return r.encodeChecked=function(t){var r=this.sha256(this.sha256(t)).slice(0,4);return this.encodeRaw(Buffer.from(function(){for(var t=[],r=arguments.length,e=new Array(r),n=0;n<r;n++)e[n]=arguments[n];return e.forEach(function(r){if(x(r))for(var e=0;e<r.length;e++)t.push(r[e]);else t.push(r)}),t}(t,r)))},r.encodeRaw=function(t){return this.codec.encode(t)},r.decodeChecked=function(t){var r=this.decodeRaw(t);if(r.length<5)throw new Error("invalid_input_size: decoded data must have length >= 5");if(!this.verifyCheckSum(r))throw new Error("checksum_invalid");return r.slice(0,-4)},r.decodeRaw=function(t){return this.codec.decode(t)},r.verifyCheckSum=function(t){return function(t,r){if(t.length!==r.length)return!1;for(var e=0;e<t.length;e++)if(t[e]!==r[e])return!1;return!0}(this.sha256(this.sha256(t.slice(0,-4))).slice(0,4),t.slice(-4))},t}())({sha256:function(t){return(new y).update(Buffer.from(t)).digest()},alphabet:"rpshnaf39wBUDNEGHJKLM4PQRST7VWXYZ2bcdeCg65jkm8oFqi1tuvAxyz"}),B=function(t){return"0x"===t.slice(0,2)?t.slice(2):t},I=function(t,e){if(void 0===e&&(e=null),"string"!=typeof t)throw new Error("stripHexPrefix param must be type 'string', is currently type "+typeof t+".");for(var n,i=B(t).toLowerCase(),o=(n=(null!=e?e.toString()+"0x":"")+i,new r.Keccak(256).update(n).digest()).toString("hex"),f="0x",u=0;u<i.length;u++)f+=parseInt(o[u],16)>=8?i[u].toUpperCase():i[u];return f},A=function(t,r){if(!t)throw r},S=function(t,r){if(!Buffer.isBuffer(t))throw r},k=i.one,z=i.zero,C=i(3);function O(t,r){return t.and(k.shiftLeft(r)).notEquals(z)}function U(t){return i.fromArray(Array.prototype.slice.call(t,0),256)}function P(t,r){var e=t.toArray(256).value,n=r?Math.max(r-e.length,0):0;return Buffer.from([].concat(Array(n).fill(0),e))}function q(t,r,e,n){A(void 0!==n,"Missing Z coordinate"),this.curve=t,this.x=r,this.y=e,this.z=n,this._zInv=null,this.compressed=!0}Object.defineProperty(q.prototype,"zInv",{get:function(){return null===this._zInv&&(this._zInv=this.z.modInv(this.curve.p)),this._zInv}}),Object.defineProperty(q.prototype,"affineX",{get:function(){return this.x.multiply(this.zInv).mod(this.curve.p)}}),Object.defineProperty(q.prototype,"affineY",{get:function(){return this.y.multiply(this.zInv).mod(this.curve.p)}}),q.fromAffine=function(t,r,e){return new q(t,r,e,k)},q.prototype.equals=function(t){return t===this||(this.curve.isInfinity(this)?this.curve.isInfinity(t):this.curve.isInfinity(t)?this.curve.isInfinity(this):0===t.y.multiply(this.z).subtract(this.y.multiply(t.z)).mod(this.curve.p).compare(z)&&0===t.x.multiply(this.z).subtract(this.x.multiply(t.z)).mod(this.curve.p).compare(z))},q.prototype.negate=function(){var t=this.curve.p.subtract(this.y);return new q(this.curve,this.x,t,this.z)},q.prototype.add=function(t){if(this.curve.isInfinity(this))return t;if(this.curve.isInfinity(t))return this;var r=this.x,e=this.y,n=t.x,i=t.y.multiply(this.z).subtract(e.multiply(t.z)).mod(this.curve.p),o=n.multiply(this.z).subtract(r.multiply(t.z)).mod(this.curve.p);if(0===o.compare(z))return 0===i.compare(z)?this.twice():this.curve.infinity;var f=o.square(),u=f.multiply(o),s=r.multiply(f),a=i.square().multiply(this.z),h=a.subtract(s.shiftLeft(1)).multiply(t.z).subtract(u).multiply(o).mod(this.curve.p),c=s.multiply(C).multiply(i).subtract(e.multiply(u)).subtract(a.multiply(i)).multiply(t.z).add(i.multiply(u)).mod(this.curve.p),l=u.multiply(this.z).multiply(t.z).mod(this.curve.p);return new q(this.curve,h,c,l)},q.prototype.twice=function(){if(this.curve.isInfinity(this))return this;if(0===this.y.compare(z))return this.curve.infinity;var t=this.x,r=this.y,e=r.multiply(this.z).mod(this.curve.p),n=e.multiply(r).mod(this.curve.p),i=this.curve.a,o=t.square().multiply(C);0!==i.compare(z)&&(o=o.add(this.z.square().multiply(i)));var f=(o=o.mod(this.curve.p)).square().subtract(t.shiftLeft(3).multiply(n)).shiftLeft(1).multiply(e).mod(this.curve.p),u=o.multiply(C).multiply(t).subtract(n.shiftLeft(1)).shiftLeft(2).multiply(n).subtract(o.pow(3)).mod(this.curve.p),s=e.pow(3).shiftLeft(3).mod(this.curve.p);return new q(this.curve,f,u,s)},q.prototype.multiply=function(t){if(this.curve.isInfinity(this))return this;if(0===t.compare(z))return this.curve.infinity;for(var r=t,e=r.multiply(C),n=this.negate(),i=this,o=e.bitLength()-2;o>0;--o){var f=O(e,o),u=O(r,o);i=i.twice(),f!==u&&(i=i.add(f?this:n))}return i},q.prototype.multiplyTwo=function(t,r,e){for(var n=Math.max(t.bitLength(),e.bitLength())-1,i=this.curve.infinity,o=this.add(r);n>=0;){var f=O(t,n),u=O(e,n);i=i.twice(),f?i=i.add(u?o:this):u&&(i=i.add(r)),--n}return i},q.prototype.getEncoded=function(t){if(null==t&&(t=this.compressed),this.curve.isInfinity(this))return new Buffer("00","hex");var r,e=this.affineX,n=this.affineY,i=this.curve.pLength;return t?(r=new Buffer(1+i)).writeUInt8(n.isEven()?2:3,0):((r=new Buffer(1+i+i)).writeUInt8(4,0),P(n,i).copy(r,1+i)),P(e,i).copy(r,1),r},q.decodeFrom=function(t,r){var e,n=r.readUInt8(0),i=4!==n,o=Math.floor((t.p.bitLength()+7)/8),f=U(r.slice(1,1+o));if(i)A(r.length===o+1,"Invalid sequence length"),A(2===n||3===n,"Invalid sequence tag"),e=t.pointFromX(3===n,f);else{A(r.length===1+o+o,"Invalid sequence length");var u=U(r.slice(1+o));e=q.fromAffine(t,f,u)}return e.compressed=i,e},q.prototype.toString=function(){return this.curve.isInfinity(this)?"(INFINITY)":"("+this.affineX.toString()+","+this.affineY.toString()+")"};var L=i.zero,j=i.one;function R(t,r,e,n,i,o,f){this.p=t,this.a=r,this.b=e,this.G=q.fromAffine(this,n,i),this.n=o,this.h=f,this.infinity=new q(this,null,null,L),this.pOverFour=t.add(j).shiftRight(2),this.pLength=Math.floor((this.p.bitLength()+7)/8)}R.prototype.pointFromX=function(t,r){var e=r.pow(3).add(this.a.multiply(r)).add(this.b).mod(this.p).modPow(this.pOverFour,this.p),n=e;return e.isEven()^!t&&(n=this.p.subtract(n)),q.fromAffine(this,r,n)},R.prototype.isInfinity=function(t){return t===this.infinity||0===t.z.compare(L)&&0!==t.y.compare(L)},R.prototype.isOnCurve=function(t){if(this.isInfinity(t))return!0;var r=t.affineX,e=t.affineY,n=this.a,i=this.b,o=this.p;if(r.compare(L)<0||r.compareTo(o)>=0)return!1;if(e.compare(L)<0||e.compareTo(o)>=0)return!1;var f=e.square().mod(o),u=r.pow(3).add(n.multiply(r)).add(i).mod(o);return f.equals(u)},R.prototype.validate=function(t){A(!this.isInfinity(t),"Point is at infinity"),A(this.isOnCurve(t),"Point is not on the curve");var r=t.multiply(this.n);return A(this.isInfinity(r),"Point is not a scalar multiple of G"),!0};var M={p:"fffffffffffffffffffffffffffffffffffffffffffffffffffffffefffffc2f",a:"00",b:"07",n:"fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141",h:"01",Gx:"79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798",Gy:"483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8"};function F(t,e){return new r.SHA3(256).update(t).digest(e)}function T(t){return Buffer.from((new f.RIPEMD160).update(t).digest())}function D(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(S(t,"expecting keyBuffer<Buffer>"),"sha256x2"===r){var e=F(F(t)).slice(0,4);return o.encode(Buffer.concat([t,e]))}var n=[t];r&&n.push(Buffer.from(r));var i=T(Buffer.concat(n)).slice(0,4);return o.encode(Buffer.concat([t,i]))}function H(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;A(t,"private key expected");var e,n=new Buffer(o.decode(t)),i=n.slice(-4),f=n.slice(0,-4);if("sha256x2"===r)e=F(F(f)).slice(0,4);else{var u=[f];r&&u.push(Buffer.from(r)),e=T(Buffer.concat(u)).slice(0,4)}if(i.toString("hex")!==e.toString("hex"))throw new Error("Invalid checksum, "+"".concat(i.toString("hex")," != ").concat(e.toString("hex")));return f}var G=function(t){var r=M;if(!r)return null;var e=i(r.p,16),n=i(r.a,16),o=i(r.b,16),f=i(r.n,16),u=i(r.h,16);return new R(e,n,o,i(r.Gx,16),i(r.Gy,16),f,u)}();function N(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";if("string"==typeof t)return N.fromString(t,r);if(Buffer.isBuffer(t))return N.fromBuffer(t);if("object"==typeof t&&t.Q)return N(t.Q);function e(){var r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:t.compressed;return t.getEncoded(r)}function n(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"EOS";return t+D(e())}function i(){return e().toString("hex")}return{Q:t,toString:n,toBuffer:e,toHex:i}}N.isValid=function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";try{return N(t,r),!0}catch(t){return!1}},N.fromBuffer=function(t){return N(q.decodeFrom(G,t))},N.fromString=function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS";try{return N.fromStringOrThrow(t,r)}catch(t){return null}},N.fromStringOrThrow=function(t){var r=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"EOS",e=t.match(/^PUB_([A-Za-z0-9]+)_([A-Za-z0-9]+)$/);if(null===e){var n=new RegExp("^"+r);return n.test(t)&&(t=t.substring(r.length)),N.fromBuffer(H(t))}var i=e[1],o=e[2];return N.fromBuffer(H(o,i))},N.fromHex=function(t){return N.fromBuffer(new Buffer(t,"hex"))},N.fromStringHex=function(t){return N.fromString(new Buffer(t,"hex"))};var X=e("ABCDEFGHIJKLMNOPQRSTUVWXYZ234567"),K=X.encode,Y=X.decode,V=function(t){return void 0===t},Q={ed25519PublicKey:48,ed25519SecretSeed:144,preAuthTx:152,sha256Hash:184},Z=function(t){var r=Buffer.alloc(2);return r.writeUInt16LE(function(t,r){Buffer.isBuffer(t)||(t=new Buffer);for(var e=0,n=0;n<t.length;n++){var i=e>>>8&255;i^=255&t[n],e=e<<8&65535,e^=i^=i>>>4,e^=i=i<<5&65535,e^=i=i<<7&65535}return e}(t),0),r};function J(t){return(J=Object.setPrototypeOf?Object.getPrototypeOf:function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function W(t,r){return(W=Object.setPrototypeOf||function(t,r){return t.__proto__=r,t})(t,r)}function $(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],function(){})),!0}catch(t){return!1}}function tt(t,r,e){return(tt=$()?Reflect.construct:function(t,r,e){var n=[null];n.push.apply(n,r);var i=new(Function.bind.apply(t,n));return e&&W(i,e.prototype),i}).apply(null,arguments)}function rt(t){var r="function"==typeof Map?new Map:void 0;return(rt=function(t){if(null===t||-1===Function.toString.call(t).indexOf("[native code]"))return t;if("function"!=typeof t)throw new TypeError("Super expression must either be null or a function");if(void 0!==r){if(r.has(t))return r.get(t);r.set(t,e)}function e(){return tt(t,arguments,J(this).constructor)}return e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}),W(e,t)})(t)}var et=[0,1,2,42,43,68,69],nt=function(t){for(var r=new Uint8Array(t.length),e=0;e<t.length;e++)r[e]=t.charCodeAt(e);return r}("SS58PRE"),it=function(t){var r,e;function n(){return t.apply(this,arguments)||this}return e=t,(r=n).prototype=Object.create(e.prototype),r.prototype.constructor=r,r.__proto__=e,n.prototype.toJSON=function(){return{_type:"AccountIndex",data:this+0}},n}(rt(Number));function ot(t,r){t.length||(t=[t]),r.length||(r=[r]);var e=new Uint8Array(t.length+r.length);return e.set(t),e.set(r,t.length),e}function ft(t){var r=new Error;this.name=r.name="ValidationError",this.message=r.message=t,this.stack=r.stack}function ut(t,r){if(null==r&&(r="Assertion failed."),!t)throw new ft(r)}ft.prototype=Object.create(Error.prototype);var st=function(){function t(t,r){this.hi=0|t,this.lo=0|r}return t.prototype.ushrn32=function(t){var r=this.lo;return 0==(t&=63)||(t<32?(r>>>=t,r|=this.hi<<32-t):r=this.hi>>>t-32),r},t}(),at=Buffer.allocUnsafe(105),ht="qpzry9x8gf2tvdw0s3jn54khce6mua7l",ct=[-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,15,-1,10,17,21,20,26,30,7,5,-1,-1,-1,-1,-1,-1,-1,29,-1,24,13,25,9,8,23,-1,18,22,31,27,19,-1,1,0,3,16,11,28,12,14,6,4,2,-1,-1,-1,-1,-1,-1,29,-1,24,13,25,9,8,23,-1,18,22,31,27,19,-1,1,0,3,16,11,28,12,14,6,4,2,-1,-1,-1,-1,-1],lt=new st(7,4294967295),dt=[new st(152,4072443489),new st(121,3077413346),new st(243,1046459332),new st(174,783016616),new st(30,1329849456)];function pt(t,r){var e=t,n=e.hi>>>3;e.hi&=lt.hi,e.lo&=lt.lo,e.hi<<=5,e.hi|=e.lo>>>27,e.lo<<=5;for(var i=0;i<dt.length;i++)n>>>i&1&&(e.hi^=dt[i].hi,e.lo^=dt[i].lo);return e.lo^=r,e}function vt(t,r,e,n,i,o,f){ut(Buffer.isBuffer(t)),ut(r>>>0===r),ut(Buffer.isBuffer(e)),ut(n>>>0===n),ut((255&i)===i),ut((255&o)===o),ut("boolean"==typeof f);for(var u=(1<<o)-1,s=0,a=0;r<t.length;r++){var h=t[r];if(h>>>i!=0)throw new Error("Invalid bits.");for(s=s<<i|h,a+=i;a>=o;)e[n++]=s>>>(a-=o)&u}if(f)a&&(e[n++]=s<<o-a&u);else if(a>=i||s<<o-a&u)throw new Error("Invalid bits.");return ut(n<=e.length),e.slice(0,n)}var yt=function(t){function r(r){var e=r.slice(0,-4),n=r.slice(-4),i=t(e);if(!(n[0]^i[0]|n[1]^i[1]|n[2]^i[2]|n[3]^i[3]))return e}return{bs58Encode:function(r){var e=t(r);return o.encode(Buffer.concat([r,e],r.length+4))},bs58Decode:function(t){var e=r(o.decode(t));if(!e)throw new Error("Invalid checksum");return e},decodeUnsafe:function(t){var e=o.decodeUnsafe(t);if(e)return r(e)}}}(function(t){var r=(new y).update(t).digest();return(new y).update(r).digest()}),gt=yt.bs58Decode,wt=yt.bs58Encode;exports.b32decode=h,exports.b32encode=function(t){var r=[],e=Math.floor(t.length/5),n=t.length%5;if(0!=n){for(var i=0;i<5-n;i++)t+="\0";e+=1}for(var o=0;o<e;o++)r.push(s.charAt(t.charCodeAt(5*o)>>3)),r.push(s.charAt((7&t.charCodeAt(5*o))<<2|t.charCodeAt(5*o+1)>>6)),r.push(s.charAt((63&t.charCodeAt(5*o+1))>>1)),r.push(s.charAt((1&t.charCodeAt(5*o+1))<<4|t.charCodeAt(5*o+2)>>4)),r.push(s.charAt((15&t.charCodeAt(5*o+2))<<1|t.charCodeAt(5*o+3)>>7)),r.push(s.charAt((127&t.charCodeAt(5*o+3))>>2)),r.push(s.charAt((3&t.charCodeAt(5*o+3))<<3|t.charCodeAt(5*o+4)>>5)),r.push(s.charAt(31&t.charCodeAt(5*o+4)));var f=0;1==n?f=6:2==n?f=4:3==n?f=3:4==n&&(f=1);for(var u=0;u<f;u++)r.pop();for(var a=0;a<f;a++)r.push("=");return r.join("")},exports.bs58Decode=gt,exports.bs58Encode=wt,exports.calculateChecksum=Z,exports.cashaddrDecode=function(t,r){void 0===r&&(r="bitcoincash"),ut("string"==typeof t),ut("string"==typeof r);var e=function(t,r){if(ut("string"==typeof t),t.length<8||t.length>196)throw new Error("Invalid cashaddr data length.");for(var e=!1,n=!1,i=!1,o=0,f=0;f<t.length;f++){var u=t.charCodeAt(f);if(u>=97&&u<=122)e=!0;else if(u>=65&&u<=90)n=!0;else if(u>=48&&u<=57)i=!0;else{if(58!==u)throw new Error("Invalid cashaddr character.");if(i||0===f||f>83)throw new Error("Invalid cashaddr prefix.");if(0!==o)throw new Error("Invalid cashaddr separators.");o=f}}if(n&&e)throw new Error("Invalid cashaddr casing.");var s,a=new st(0,1);0===o?s=r.toLowerCase():(s=t.substring(0,o).toLowerCase(),o+=1);for(var h=0;h<s.length;h++)pt(a,31&(32|s.charCodeAt(h)));pt(a,0);var c=t.length-o;if(c<=8||c>112)throw new Error("Invalid cashaddr data length.");for(var l=Buffer.allocUnsafe(c),d=o;d<t.length;d++){var p=t.charCodeAt(d),v=65408&p?-1:ct[p];if(-1===v)throw new Error("Invalid cashaddr character.");pt(a,v),d+8<t.length&&(l[d-o]=v)}if(0!==a.hi||1!==a.lo||s!==r)throw new Error("Invalid cashaddr checksum.");return[s,l.slice(0,-8)]}(t,r),n=e[0],i=e[1],o=5*i.length&7;if(o>=5)throw new Error("Invalid padding in data.");if(i[i.length-1]&(1<<o)-1)throw new Error("Non zero padding.");var f=vt(i,0,i,0,5,8,!1),u=f[0]>>>3&31,s=f.slice(1),a=20+4*(3&f[0]);if(4&f[0]&&(a*=2),a!==s.length)throw new Error("Invalid cashaddr data length.");return{prefix:n,type:u,hash:s}},exports.cashaddrEncode=function(t,r,e){if(ut("string"==typeof t),ut((15&r)===r,"Invalid cashaddr type."),ut(Buffer.isBuffer(e)),0===t.length||t.length>83)throw new Error("Invalid cashaddr prefix.");var n=function(t){switch(ut(t>>>0===t),t){case 20:return 0;case 24:return 1;case 28:return 2;case 32:return 3;case 40:return 4;case 48:return 5;case 56:return 6;case 64:return 7;default:throw new Error("Non standard length.")}}(e.length),i=Buffer.allocUnsafe(e.length+1);return i[0]=r<<3|n,e.copy(i,1),function(t,r){ut("string"==typeof t),ut(Buffer.isBuffer(r));for(var e=new st(0,1),n="",i=!1,o=!1,f=0;f<t.length;f++){var u=t.charCodeAt(f);if(65280&u||u>>>5==0)throw new Error("Invalid cashaddr character.");if(u>=97&&u<=122)o=!0;else if(u>=65&&u<=90)i=!0,u=u-65+97;else if(u>=48&&u<=57)throw new Error("Invalid cashaddr prefix.");pt(e,31&u),n+=String.fromCharCode(u)}if(o&&i)throw new Error("Invalid cashaddr prefix.");pt(e,0),n+=":";for(var s=0;s<r.length;s++){var a=r[s];if(a>>>5!=0)throw new Error("Invalid cashaddr value.");pt(e,a),n+=ht[a]}for(var h=0;h<8;h++)pt(e,0);e.lo^=1;for(var c=0;c<8;c++){var l=31&e.ushrn32(5*(7-c));n+=ht[l]}return n}(t,vt(i,0,at,0,8,5,!0))},exports.codec=E,exports.decodeCheck=function(t,r){if("string"!=typeof r)throw new TypeError("encoded argument must be of type String");var e=Y(r),n=e[0],i=e.slice(0,-2),o=i.slice(1),f=e.slice(-2);if(r!==K(e))throw new Error("invalid encoded string");var u=Q[t];if(V(u))throw new Error(t+' is not a valid version byte name.  expected one of "accountId" or "seed"');if(n!==u)throw new Error("invalid version byte. expected "+u+", got "+n);if(!function(t,r){if(t.length!==r.length)return!1;if(0===t.length)return!0;for(var e=0;e<t.length;e+=1)if(t[e]!==r[e])return!1;return!0}(Z(i),f))throw new Error("invalid checksum");return Buffer.from(o)},exports.encodeCheck=function(t,r){if(null===r||V(r))throw new Error("cannot encode null data");var e=Q[t];if(V(e))throw new Error(t+' is not a valid version byte name.  expected one of "ed25519PublicKey", "ed25519SecretSeed", "preAuthTx", "sha256Hash"');r=Buffer.from(r);var n=Buffer.from([e]),i=Buffer.concat([n,r]),o=Z(i),f=Buffer.concat([i,o]);return K(f)},exports.eosPublicKey=N,exports.hex2a=function(t){for(var r=t.toString(),e="",n=0;n<r.length;n+=2)e+=String.fromCharCode(parseInt(r.substr(n,2),16));return e},exports.isValid=function(t){var e=t.toString().toUpperCase().replace(/-/g,"");if(!e||40!==e.length)return!1;var n,i=function(t){for(var r="",e=0;e<t.length;e++){var n=Math.round(t[e]).toString(16);1===n.length&&(n="0"+n),r+=n}return r}(h(e));return n=Buffer.from(i.slice(0,42),"hex"),new r.Keccak(256).update(n).digest("hex").toString().substr(0,8)===i.slice(42)},exports.isValidChecksumAddress=function(t,r){return function(t){return/^0x[0-9a-fA-F]{40}$/.test(t)}(t)&&I(t,r)===t},exports.ss58Decode=function(t,r){var e;void 0===r&&(r=0);try{e=o.decode(t)}catch(t){return null}if(-1===et.indexOf(e[0]))return null;if(e.length<3)return null;var n,i=e.length<=3?1:e.length<=5?2:e.length<=9?4:e.length<=17?8:32,f=e.length-1-i,s=e.slice(1,1+i);e.slice(1+e.length),32===i&&(n=s);var a=i<32?new it(function(t){var r=0,e=1;return t.forEach(function(t){r+=t*e,e*=256}),r}(s)):new Buffer.from(s);if(e[0]%1&&!n&&!r)return null;for(var h=u.blake2b(ot(nt,e[0]%1?n||r(a):e.slice(0,1+i))),c=0;c<f;++c)if(h[c]!==e[1+i+c])return null;return a},exports.ss58Encode=function(t,r,e,n,i){var f;if(void 0===r&&(r=42),void 0===e&&(e=null),void 0===n&&(n=null),-1===et.indexOf(r))throw new Error("Unknown ss58 address type",r);if("number"==typeof t||t instanceof it){var s=t<256?1:t<65536?2:t<1?4:8;if(-1===[1,2,4,8].indexOf(n=n||s))throw new Error("Invalid length");if(n=Math.max(s,n),e&&"number"!=typeof e)throw new Error("Invalid checksum length");switch(n){case 1:e=1;break;case 2:e=[1,2].indexOf(e)+1||1;break;case 4:e=[1,2,3,4].indexOf(e)+1||1;break;case 8:e=[1,2,3,4,5,6,7,8].indexOf(e)+1||1}f=function(t,r){var e=!1;t<0&&(t=-t-1,e=!0);for(var n=new Uint8Array(r),i=0;i<r;++i)n[i]=t%256,e&&(n[i]=255&~n[i]),t/=256;return n}(t,n)}else{if(!(t instanceof Uint8Array)||32!==t.length&&35!==t.length)throw new Error("Unknown item to encode as ss58. Passing back.",t);e=2,i=f=35===t.length?t.slice(1,33):t}var a=u.blake2b(ot(nt,1&r?i:ot(r,f))),h=ot(ot(r,f),a.slice(0,e));return o.encode(Buffer.from(h))},exports.stripHexPrefix=B,exports.toChecksumAddress=I,exports.ua2hex=function(t){for(var r="",e=0;e<t.length;e++){var n=t[e];r+=a[n>>>4],r+=a[15&n]}return r};
 //# sourceMappingURL=index.js.map

lib/nem-sdk/convert.js

@@ -66,3 +66,3 @@ /*!
     }
-    return b;
+    return Buffer.from(b);
 };
@@ -69,0 +69,0 @@

package.json

 {
   "name": "crypto-addr-codec",
-  "version": "0.1.6",
+  "version": "0.1.7",
   "description": "Light weight package for serializing different crypto addresses",
@@ -5,0 +5,0 @@ "source": "lib/index.js",

New alerts

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New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

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Fixed alerts

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Improved metrics

Number of low quality alerts

3

decreased by-25%

Worsened metrics

Total package byte prevSize

103835

decreased by-80.7%

Number of package files

27

decreased by-20.59%

Lines of code

1803

decreased by-13.36%

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes