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libnemo

Version:

Nano cryptocurrency wallet library.

zoso.dev

45 lines • 323 kB
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SPDX-License-Identifier: GPL-3.0-or-later Ge="13456789abcdefghijkmnopqrstuwxyz",Tf="nano_1111111111111111111111111111111111111111111111111111hifc8npp",jn="0000000000000000000000000000000000000000000000000000000000000000",Pf=0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFn,Xn=133248297920938463463374607431768211455n,Jn="0000000000000000000000000000000000000000000000000000000000000006",yt="nano_",Ot="xrb_",Zn=0xfffffe0000000000n,ei=0xfffffff800000000n,Ie=Object.freeze({RAW:0,RAI:24,NYANO:24,KRAI:27,PICO:27,MRAI:30,NANO:30,KNANO:33,MNANO:36}),ev=` const ACCOUNT_KEY_BYTE_LENGTH = 32 const ACCOUNT_KEY_HEX_LENGTH = 64 const ADDRESS_GAP = 20 const ALPHABET = '${Ge}' const BIP44_PURPOSE = 44 const BIP44_COIN_NANO = 165 const BURN_ADDRESS = '${Tf}' const BURN_PUBLIC_KEY = '${jn}' const HARDENED_OFFSET = ${2147483648} const MAX_RAW = ${Pf} const MAX_SUPPLY = ${Xn} const NONCE_LENGTH = 24 const PBKDF2_ITERATIONS = 210000 const PREAMBLE = '${Jn}' const PREFIX = '${yt}' const PREFIX_LEGACY = '${Ot}' const SEED_LENGTH_BIP44 = 128 const SEED_LENGTH_BLAKE2B = 64 const DIFFICULTY_RECEIVE = ${Zn} const DIFFICULTY_SEND = ${ei} const XNO = '\u04FE' const UNITS = ${JSON.stringify(Ie)} `});var tt,ti,S,G,C,ri,ce,Bx,ie=g(()=>{"use strict";a();be();//! SPDX-FileCopyrightText: 2025 Chris Duncan <chris@zoso.dev> //! SPDX-License-Identifier: GPL-3.0-or-later tt=class{static toBytes(e){let t=e.length*5%8,n=t===0?0:8-t,i=0,o=0,v=-1,s=0,u=new Uint8Array(Math.ceil(e.length*5/8));for(let c=0;c<e.length;c++){if(v=Ge.indexOf(e[c]),v<0)throw new RangeError("Invalid base32 character",{cause:e[c]});o=o<<5|v,i+=5,i>=8&&(u[s++]=o>>>i+n-8&255,i-=8)}return i>0&&(u[s++]=o<<i+n-8&255),t!==0&&(u=u.slice(1)),u}static toBuffer(e){return this.toBytes(e).buffer}},ti=class{static toBytes(e){let t=[];for(;e.length>0;){let n=e.substring(0,8);t.push(parseInt(n,2)),e=e.substring(8)}return new Uint8Array(t)}},S=class{static decoder=new TextDecoder;static erase(e){e!=null&&(e instanceof ArrayBuffer&&e.detached||e instanceof Uint8Array&&e.buffer.detached||(e=e instanceof ArrayBuffer?new Uint8Array(e):e,e.fill(0).buffer.transfer?.()))}static toBase32(e){e instanceof ArrayBuffer&&(e=new Uint8Array(e));let t=e.length*8%5,n=t===0?0:5-t,i=0,o="",v=0;for(let s=0;s<e.length;s++)for(i=i<<8|e[s],v+=8;v>=5;)o+=Ge[i>>>v+n-5&31],v-=5;return v>0&&(o+=Ge[i<<5-(v+n)&31]),o}static toBin(e){return[...e].map(t=>t.toString(2).padStart(8,"0")).join("")}static toDec(e){let t=0n;for(let n=e.byteLength;n>0;n--)t+=BigInt(e[n-1])<<BigInt(e.byteLength-n)*8n;return t>9007199254740991n?t:Number(t)}static toHex(e){return e instanceof ArrayBuffer&&(e=new Uint8Array(e)),e.buffer instanceof ArrayBuffer&&e.buffer.detached?"":[...e].map(t=>t.toString(16).padStart(2,"0")).join("").toUpperCase()}static toUtf8(e){return this.decoder.decode(e)}},G=class{static toBin(e,t=0){if(typeof t!="number")throw new TypeError("Invalid padding");try{return BigInt(e).toString(2).padStart(t,"0")}catch{throw new RangeError("Invalid decimal integer")}}static toBytes(e,t=0){if(e==null)throw new TypeError(`Failed to convert '${e}' from decimal to bytes`);if(typeof t!="number")throw new TypeError("Invalid padding");let n=BigInt(e),i=[];for(;n>0;){let v=BigInt.asUintN(8,n);i.push(Number(v)),n>>=8n}let o=new Uint8Array(Math.max(t,i.length));return o.set(i),o.reverse()}static toHex(e,t=0){if(e==null)throw new TypeError(`Failed to convert '${e}' from decimal to hex`);if(typeof t!="number")throw new TypeError("Invalid padding");try{return BigInt(e).toString(16).padStart(t,"0").toUpperCase()}catch{throw new RangeError("Invalid decimal integer")}}},C=class{static toArray(e,t=0){if(typeof e!="string"||!/^[A-Fa-f0-9]+$/i.test(e))throw new TypeError("Invalid string when converting hex to array",{cause:e});if(typeof t!="number")throw new TypeError("Invalid padding when converting hex to array",{cause:t});e.length%2===1&&(e=`0${e}`);let n=e.match(/.{2}/g);if(n==null)throw new RangeError("Invalid hex string when converting to array",{cause:n});for(let i=n.length;i<t;i++)n.unshift("0");return n.map(i=>parseInt(i,16))}static toBin(e){return[...e].map(t=>G.toBin(parseInt(t,16),4)).join("")}static toBuffer(e,t=0){return this.toBytes(e,t).buffer}static toBytes(e,t=0){return new Uint8Array(this.toArray(e,t))}},ri=class{static toBytes(e){let t=Object.keys(e).map(n=>+n).sort((n,i)=>n-i).map(n=>e[n]);return new Uint8Array(t)}},ce=class{static encoder=new TextEncoder;static toBuffer(e){return this.toBytes(e).buffer}static toBytes(e){return this.encoder.encode(e)}static toHex(e){return S.toHex(this.toBytes(e))}},Bx=` const base32 = ${tt} const bin = ${ti} const bytes = ${S} const dec = ${G} const hex = ${C} const obj = ${ri} const utf8 = ${ce} `});var oe,tv=g(()=>{"use strict";a();//! SPDX-FileCopyrightText: 2025 Chris Duncan <chris@zoso.dev> //! SPDX-License-Identifier: GPL-3.0-or-later oe=class{encoder=new TextEncoder;static checksum(e){let t=e.byteLength/4|0;return crypto.subtle.digest("SHA-256",e).then(n=>{let o=new Uint8Array(n)[0]>>8-t;return BigInt(o)})}static fromEntropy(e){if(e instanceof ArrayBuffer&&(e=new Uint8Array(e)),!(e instanceof Uint8Array))throw new TypeError("Invalid entropy");if(e.byteLength<16||e.byteLength>32)throw new RangeError("Entropy must be 16-32 bytes");if(e.byteLength%4!==0)throw new RangeError("Entropy must be a multiple of 4 bytes");let t=.75*e.byteLength;return this.checksum(e).then(n=>{let o=e.reduce((u,c)=>u=u<<8n|BigInt(c),0n)<<BigInt(e.byteLength)/4n|n,v=[];for(let u=0;u<t;u++){let c=o&2047n,f=Number(c);v.unshift(this.wordlist[f]),o>>=11n}let s=v.join(" ");return this.fromPhrase(s)})}static fromPhrase(e){let t=new this;return this.validate(e).then(n=>{if(n)return t.#i=e.normalize("NFKD").toLowerCase().split(" "),t;throw new Error("Invalid mnemonic phrase.")})}static validate(e){if(typeof e!="string"||!/^(?:[a-z]{3,8} ){11,23}[a-z]{3,8}$/i.test(e))return Promise.resolve(!1);let t=e.normalize("NFKD").split(" ");if(t.length%3!==0)return Promise.resolve(!1);let n=0n,i=0n;for(let f of t){if(this.wordlist.indexOf(f)===-1)return Promise.resolve(!1);n=n<<11n|BigInt(this.wordlist.indexOf(f)),i+=11n}if(Number(i)%33!==0)return Promise.resolve(!1);let o=i/33n,v=i-o,s=n>>o,u=n&(1n<<o)-1n;if(s==null||s<0n||s>(1n<<256n)-1n||v<128n||v>256n||Number(v)%32!==0)return Promise.resolve(!1);let c=new Uint8Array(Number(v)/8);for(let f=0;f<c.length;f++){let p=v-8n*BigInt(f+1),m=s>>p&255n;c[f]=Number(m)}return this.checksum(c).then(f=>f===u)}constructor(){}#e;#t;#i;get phrase(){return this.#i?.join(" ").normalize("NFKD")}destroy(){this.#e?.fill(0).buffer.transfer?.(),this.#t?.fill(0).buffer.transfer?.(),this.#e=void 0,this.#t=void 0,this.#i=void 0}toBip39Seed(e,t){if(this.phrase==null)throw new Error("BIP-39 mnemonic phrase not found");if(this.#e!=null){let n=t==="hex"?[...this.#e].map(i=>i.toString(16).padStart(2,"0")).join("").toUpperCase():this.#e;return Promise.resolve(n)}else{let n=typeof e=="string"?e:"",i=this.encoder.encode(this.phrase);return crypto.subtle.importKey("raw",i,"PBKDF2",!1,["deriveBits","deriveKey"]).then(o=>{let v={name:"PBKDF2",hash:"SHA-512",salt:this.encoder.encode(`mnemonic${n.normalize("NFKD")}`),iterations:2048};return crypto.subtle.deriveBits(v,o,512).then(s=>(this.#e=new Uint8Array(s),this.toBip39Seed(n,t)))})}}toBlake2bSeed(e){if(this.#i?.length!==24)throw new Error("BIP-39 mnemonic phrase must be 24 words to convert to BLAKE2b seed");if(this.#t==null){let t=0n;for(let n of this.#i){if(this.constructor.wordlist.indexOf(n)===-1)throw new RangeError("Word not found in BIP-39 list");t=t<<11n|BigInt(this.constructor.wordlist.indexOf(n))}t>>=8n,this.#t=new Uint8Array(32);for(let n=31;n>=0;n--)this.#t[n]=Number(t&255n),t>>=8n}return e==="hex"?[...this.#t].map(t=>t.toString(16).padStart(2,"0")).join("").toUpperCase():this.#t}static 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