eos-common - npm Package Compare versions

Comparing version 0.3.0 to 0.4.0

dist/index.es.js

@@ -1,2 +0,251 @@
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new this(n).acosh()}function $(n,e){return new this(n).plus(e)}function W(n){return new this(n).asin()}function J(n){return new this(n).asinh()}function z(n){return new this(n).atan()}function G(n){return new this(n).atanh()}function K(n,e){n=new this(n),e=new this(e);var i,t=this.precision,r=this.rounding,s=t+4;return n.s&&e.s?n.d||e.d?!e.d||n.isZero()?(i=e.s<0?_(this,t,r):new this(0)).s=n.s:!n.d||e.isZero()?(i=_(this,s,1).times(.5)).s=n.s:e.s<0?(this.precision=s,this.rounding=1,i=this.atan(E(n,e,s,1)),e=_(this,s,1),this.precision=t,this.rounding=r,i=n.s<0?i.minus(e):i.plus(e)):i=this.atan(E(n,e,s,1)):(i=_(this,s,1).times(e.s>0?.25:.75)).s=n.s:i=new this(NaN),i}function Q(n){return new this(n).cbrt()}function X(n){return x(n=new this(n),n.e+1,2)}function Y(n){if(!n||"object"!=typeof n)throw Error("[DecimalError] Object expected");var e,i,t,r=!0===n.defaults,o=["precision",1,1e9,"rounding",0,8,"toExpNeg",-9e15,0,"toExpPos",0,9e15,"maxE",0,9e15,"minE",-9e15,0,"modulo",0,9];for(e=0;e<o.length;e+=3)if(i=o[e],r&&(this[i]=s[i]),void 0!==(t=n[i])){if(!(c(t)===t&&t>=o[e+1]&&t<=o[e+2]))throw Error(u+i+": "+t);this[i]=t}if(i="crypto",r&&(this[i]=s[i]),void 0!==(t=n[i])){if(!0!==t&&!1!==t&&0!==t&&1!==t)throw Error(u+i+": "+t);if(t){if("undefined"==typeof crypto||!crypto||!crypto.getRandomValues&&!crypto.randomBytes)throw Error("[DecimalError] crypto unavailable");this[i]=!0}else this[i]=!1}return this}function nn(n){return new this(n).cos()}function en(n){return new this(n).cosh()}function tn(n,e){return new this(n).div(e)}function rn(n){return new this(n).exp()}function sn(n){return x(n=new this(n),n.e+1,3)}function on(){var n,e,i=new this(0);for(o=!1,n=0;n<arguments.length;)if((e=new this(arguments[n++])).d)i.d&&(i=i.plus(e.times(e)));else{if(e.s)return o=!0,new this(1/0);i=e}return o=!0,i.sqrt()}function un(n){return n instanceof qn||n&&"[object Decimal]"===n.name||!1}function cn(n){return new this(n).ln()}function fn(n,e){return new this(n).log(e)}function an(n){return new this(n).log(2)}function hn(n){return new this(n).log(10)}function ln(){return I(this,arguments,"lt")}function dn(){return I(this,arguments,"gt")}function gn(n,e){return new this(n).mod(e)}function pn(n,e){return new this(n).mul(e)}function mn(n,e){return new this(n).pow(e)}function wn(n){var e,i,t,r,s=0,o=new this(1),u=[];if(void 0===n?n=this.precision:v(n,1,1e9),t=Math.ceil(n/7),this.crypto)if(crypto.getRandomValues)for(e=crypto.getRandomValues(new Uint32Array(t));s<t;)(r=e[s])>=429e7?e[s]=crypto.getRandomValues(new Uint32Array(1))[0]:u[s++]=r%1e7;else{if(!crypto.randomBytes)throw Error("[DecimalError] crypto unavailable");for(e=crypto.randomBytes(t*=4);s<t;)(r=e[s]+(e[s+1]<<8)+(e[s+2]<<16)+((127&e[s+3])<<24))>=214e7?crypto.randomBytes(4).copy(e,s):(u.push(r%1e7),s+=4);s=t/4}else 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45===(i=n.charCodeAt(0))?(n=n.slice(1),r.s=-1):(43===i&&(n=n.slice(1)),r.s=1),d.test(n)?P(r,n):T(r,n)}if(s.prototype=m,s.ROUND_UP=0,s.ROUND_DOWN=1,s.ROUND_CEIL=2,s.ROUND_FLOOR=3,s.ROUND_HALF_UP=4,s.ROUND_HALF_DOWN=5,s.ROUND_HALF_EVEN=6,s.ROUND_HALF_CEIL=7,s.ROUND_HALF_FLOOR=8,s.EUCLID=9,s.config=s.set=Y,s.clone=n,s.isDecimal=un,s.abs=H,s.acos=j,s.acosh=V,s.add=$,s.asin=W,s.asinh=J,s.atan=z,s.atanh=G,s.atan2=K,s.cbrt=Q,s.ceil=X,s.cos=nn,s.cosh=en,s.div=tn,s.exp=rn,s.floor=sn,s.hypot=on,s.ln=cn,s.log=fn,s.log10=hn,s.log2=an,s.max=ln,s.min=dn,s.mod=gn,s.mul=pn,s.pow=mn,s.random=wn,s.round=vn,s.sign=Nn,s.sin=bn,s.sinh=En,s.sqrt=xn,s.sub=yn,s.tan=Mn,s.tanh=Dn,s.trunc=_n,void 0===e&&(e={}),e&&!0!==e.defaults)for(r=["precision","rounding","toExpNeg","toExpPos","maxE","minE","modulo","crypto"],i=0;i<r.length;)e.hasOwnProperty(t=r[i++])||(e[t]=this[t]);return s.config(e),s}(s);function On(n,e){if(!n)throw new Error(e)}t=new qn(t),r=new qn(r);class Fn{constructor(n,e){this.amount=0,this.amount=n,this.symbol=e,On(this.is_amount_within_range(),"magnitude of asset amount must be less than 2^62")}is_amount_within_range(){return-Fn.max_amount<=this.amount&&this.amount<=Fn.max_amount}is_valid(){return!0}toString(){return`${this.toDecimal().toFixed(this.symbol.precision())} ${this.symbol.code()}`}toDecimal(){return new qn(this.amount).div(Math.pow(10,this.symbol.precision()))}toNumber(){return Number(this.toDecimal().toNumber().toFixed(this.symbol.precision()))}}Fn.max_amount=2**62-1;class An{constructor(n){this.value=0,n&&(this.value="number"==typeof n?Number(n):function(n){let e=BigInt(0);n.length>7&&On(!1,"string is too long to be a valid symbol_code");for(const i of n.split("").reverse().join(""))(i<"A"||i>"Z")&&On(!1,"only uppercase letters allowed in symbol_code string"),e<<=BigInt(8),e|=BigInt(i.charCodeAt(0));return Number(e)}(n))}raw(){return this.value}length(){let n=BigInt(this.value),e=0;for(;255&Number(n)&&e<=7;)e++,n>>=BigInt(8);return e}to_string(){return function(n){const e=BigInt(255);if(0==n)return"";let i="",t=BigInt(n);for(let n=0;n<7;++n,t>>=BigInt(8)){if(t==BigInt(0))return i;i+=String.fromCharCode(Number(t&e))}return i}(this.value)}is_valid(){let n=BigInt(this.value);for(let e=0;e<7;e++){const i=String.fromCharCode(255&Number(n));if(!("A"<=i&&i<="Z"))return!1;if(n>>=BigInt(8),!(255&Number(n)))do{if(n>>=BigInt(8),255&Number(n))return!1;e++}while(e<7)}return!0}isEqual(n){return n.value===this.value}}class In{constructor(n,e){this._code=n,this._precision=e}code(){return this._code}isEqual(n){return n.code===this.code&&n.precision()===this.precision()}precision(){return this._precision}}class Sn{sec_since_epoch(){return Date.now()}}function Zn(){return new Sn}const Bn=new Date(Date.UTC(2e3,0,1,0,0,0,0)).getTime(),Pn=86400;function Tn(n){const[e,i]=n.split(" "),t=(e.split(".")[1]||[]).length,r=new qn(e).times(new qn(10).pow(t)).toNumber();return new Fn(r,new In(i,t))}function Cn(){const n=new Date(Date.UTC(2e3,0,1,0,0,0,0)).getTime();return Math.floor((Date.now()-n)/1e3/604800)/52}function Rn(n){return n*Math.pow(2,Cn())}function Un(n){return n/Math.pow(2,Cn())}export{Fn as Asset,In as Symbol,Bn as block_timestamp_epoch,On as check,Zn as current_time_point,Pn as seconds_per_day,Tn as split,Rn as stake2vote,An as symbol_code,Un as vote2stake,Cn as voteWeightToday};
+// https://github.com/EOSIO/eosio.cdt/blob/master/libraries/eosiolib/core/eosio/check.hpp
+/**
+ * Assert if the predicate fails and use the supplied message.
+ *
+ * @param {boolean} pred Pre-condition
+ * @param {string} msg Error Message
+ * @returns {void}
+ * @example
+ *
+ * check(a == b, "a does not equal b");
+ */
+function check(pred, msg) {
+    if (!pred) {
+        throw new Error(msg);
+    }
+}
+
+// https://github.com/EOSIO/eosio.cdt/blob/master/libraries/eosiolib/symbol.hpp
+function str_to_symbol_code(str) {
+    let value = BigInt(0);
+    if (str.length > 7) {
+        check(false, "string is too long to be a valid symbol_code");
+    }
+    for (const itr of str.split("").reverse().join("")) {
+        if (itr < 'A' || itr > 'Z') {
+            check(false, "only uppercase letters allowed in symbol_code string");
+        }
+        value <<= BigInt(8);
+        value |= BigInt(itr.charCodeAt(0));
+    }
+    return Number(value);
+}
+function write_as_string(value) {
+    const mask = BigInt(0x00000000000000FF);
+    if (value == 0)
+        return '';
+    let begin = "";
+    let v = BigInt(value);
+    for (let i = 0; i < 7; ++i, v >>= BigInt(8)) {
+        if (v == BigInt(0))
+            return begin;
+        begin += String.fromCharCode(Number(v & mask));
+    }
+    return begin;
+}
+/**
+ * @class Stores the symbol code
+ * @brief Stores the symbol code as a uint64_t value
+ */
+class symbol_code {
+    // constructor()
+    constructor(str) {
+        this.value = 0; // uint64_t
+        if (str) {
+            if (typeof str == 'number')
+                this.value = Number(str);
+            else
+                this.value = str_to_symbol_code(str);
+        }
+    }
+    raw() {
+        return this.value;
+    }
+    length() {
+        let sym = BigInt(this.value);
+        let len = 0;
+        while (Number(sym) & 0xFF && len <= 7) {
+            len++;
+            sym >>= BigInt(8);
+        }
+        return len;
+    }
+    to_string() {
+        return write_as_string(this.value);
+    }
+    is_valid() {
+        let sym = BigInt(this.value);
+        for (let i = 0; i < 7; i++) {
+            const c = String.fromCharCode(Number(sym) & 0xFF);
+            if (!("A" <= c && c <= "Z"))
+                return false;
+            sym >>= BigInt(8);
+            if (!(Number(sym) & 0xFF)) {
+                do {
+                    sym >>= BigInt(8);
+                    if ((Number(sym) & 0xFF))
+                        return false;
+                    i++;
+                } while (i < 7);
+            }
+        }
+        return true;
+    }
+    isEqual(comparison) {
+        return comparison.value === this.value;
+    }
+}
+class Symbol {
+    /**
+     * Symbol
+     *
+     * @name Symbol
+     * @param {string} code Symbol Code
+     * @param {number} precision Precision
+     * @returns {Symbol} Symbol
+     * @example
+     *
+     * const sym = new Symbol("EOS", 4);
+     * sym.code() //=> "EOS"
+     * sym.precision //=> 4
+     */
+    constructor(code, precision) {
+        this._code = (typeof code == "string") ? new symbol_code(code) : code;
+        this._precision = precision;
+    }
+    code() {
+        return this._code;
+    }
+    isEqual(comparison) {
+        return comparison.code === this.code && comparison.precision() === this.precision();
+    }
+    precision() {
+        return this._precision;
+    }
+}
+
+// import { Decimal } from "decimal.js";
+/**
+ * Split quantity string
+ *
+ * @param {string} quantity Quantity string
+ * @returns {Asset}
+ * @example
+ *
+ * const quantity = split("1.0000 EOS");
+ * quantity.amount //=> 10000
+ * quantity.symbol.precision //=> 4
+ * quantity.symbol.code() //=> "EOS"
+ */
+function split(quantity) {
+    const [amount, symbol] = quantity.split(" ");
+    const precision = (amount.split(".")[1] || []).length;
+    const amount_uint64 = Number(amount) * Math.pow(10, precision);
+    return new Asset(amount_uint64, new Symbol(symbol, precision));
+}
+function asset_to_double(quantity) {
+    if (quantity.amount == 0)
+        return 0.0;
+    return quantity.amount / Math.pow(10, quantity.symbol.precision());
+}
+function double_to_asset(amount, sym) {
+    return new Asset(amount * Math.pow(10, sym.precision()), sym);
+}
+
+// https://github.com/EOSIO/eosio.cdt/blob/master/libraries/eosiolib/asset.hpp
+/**
+ * Asset
+ *
+ * @name Asset
+ * @param {number} amount The amount of the asset
+ * @param {Symbol} sym  The name of the symbol
+ * @returns {Asset} Asset
+ * @example
+ *
+ * const quantity = new Asset(10000, new Symbol("EOS", 4));
+ * quantity.toString() //=> "1.0000 EOS";
+ * quantity.symbol.code() //=> "EOS"
+ * quantity.symbol.precision //=> 4
+ */
+class Asset {
+    constructor(amount, sym) {
+        /**
+         * {int64_t} The amount of the asset
+         */
+        this.amount = 0;
+        this.amount = amount;
+        this.symbol = sym;
+        check(this.is_amount_within_range(), "magnitude of asset amount must be less than 2^62");
+        // check( this.symbol.is_valid(), "invalid symbol name" );
+    }
+    /**
+     * Check if the amount doesn't exceed the max amount
+     *
+     * @return true - if the amount doesn't exceed the max amount
+     * @return false - otherwise
+     */
+    is_amount_within_range() {
+        return -Asset.max_amount <= this.amount && this.amount <= Asset.max_amount;
+    }
+    /**
+     * Check if the asset is valid. %A valid asset has its amount <= max_amount and its symbol name valid
+     *
+     * @return true - if the asset is valid
+     * @return false - otherwise
+     */
+    is_valid() {
+        // return this.is_amount_within_range() && this.symbol.is_valid();
+        return true;
+    }
+    to_string() {
+        const amount = this.to_double().toFixed(this.symbol.precision());
+        return `${amount} ${this.symbol.code().to_string()}`;
+    }
+    to_double() {
+        return asset_to_double(this);
+    }
+}
+/**
+ * {constexpr int64_t} Maximum amount possible for this asset. It's capped to 2^62 - 1
+ */
+Asset.max_amount = 2 ** 62 - 1;
+
+class Time {
+    sec_since_epoch() {
+        return Date.now();
+    }
+}
+function current_time_point() {
+    return new Time();
+}
+const block_timestamp_epoch = new Date(Date.UTC(2000, 0, 1, 0, 0, 0, 0)).getTime();
+const seconds_per_day = 60 * 60 * 24;
+
+// https://github.com/EOSIO/eosio.contracts/blob/master/contracts/eosio.system/src/voting.cpp
+/**
+ * voteWeightToday computes the stake2vote weight for EOS, in order to compute the decaying value.
+ */
+function voteWeightToday() {
+    const seconds_per_day = 86400;
+    const block_timestamp_epoch = new Date(Date.UTC(2000, 0, 1, 0, 0, 0, 0)).getTime();
+    return Math.floor((Date.now() - block_timestamp_epoch) / 1000 / (seconds_per_day * 7)) / 52;
+}
+/**
+ * Convert EOS stake into decaying value
+ *
+ * @param {number} vote vote
+ */
+function stake2vote(staked) {
+    return staked * Math.pow(2, voteWeightToday());
+}
+/**
+ * Convert vote decay value into EOS stake
+ *
+ * @param {number} staked staked
+ */
+function vote2stake(vote) {
+    return vote / Math.pow(2, voteWeightToday());
+}
+
+export { Asset, Symbol, asset_to_double, block_timestamp_epoch, check, current_time_point, double_to_asset, seconds_per_day, split, stake2vote, symbol_code, vote2stake, voteWeightToday };
 //# sourceMappingURL=index.es.js.map

dist/index.js

@@ -1,2 +0,267 @@
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new this(n).acosh()}function $(n,e){return new this(n).plus(e)}function W(n){return new this(n).asin()}function J(n){return new this(n).asinh()}function z(n){return new this(n).atan()}function G(n){return new this(n).atanh()}function K(n,e){n=new this(n),e=new this(e);var t,i=this.precision,r=this.rounding,s=i+4;return n.s&&e.s?n.d||e.d?!e.d||n.isZero()?(t=e.s<0?D(this,i,r):new this(0)).s=n.s:!n.d||e.isZero()?(t=D(this,s,1).times(.5)).s=n.s:e.s<0?(this.precision=s,this.rounding=1,t=this.atan(x(n,e,s,1)),e=D(this,s,1),this.precision=i,this.rounding=r,t=n.s<0?t.minus(e):t.plus(e)):t=this.atan(x(n,e,s,1)):(t=D(this,s,1).times(e.s>0?.25:.75)).s=n.s:t=new this(NaN),t}function Q(n){return new this(n).cbrt()}function X(n){return E(n=new this(n),n.e+1,2)}function Y(n){if(!n||"object"!=typeof n)throw Error("[DecimalError] Object expected");var e,t,i,r=!0===n.defaults,o=["precision",1,1e9,"rounding",0,8,"toExpNeg",-9e15,0,"toExpPos",0,9e15,"maxE",0,9e15,"minE",-9e15,0,"modulo",0,9];for(e=0;e<o.length;e+=3)if(t=o[e],r&&(this[t]=s[t]),void 0!==(i=n[t])){if(!(c(i)===i&&i>=o[e+1]&&i<=o[e+2]))throw Error(u+t+": "+i);this[t]=i}if(t="crypto",r&&(this[t]=s[t]),void 0!==(i=n[t])){if(!0!==i&&!1!==i&&0!==i&&1!==i)throw Error(u+t+": "+i);if(i){if("undefined"==typeof crypto||!crypto||!crypto.getRandomValues&&!crypto.randomBytes)throw Error("[DecimalError] crypto unavailable");this[t]=!0}else this[t]=!1}return this}function nn(n){return new this(n).cos()}function en(n){return new this(n).cosh()}function tn(n,e){return new this(n).div(e)}function rn(n){return new this(n).exp()}function sn(n){return E(n=new this(n),n.e+1,3)}function on(){var n,e,t=new this(0);for(o=!1,n=0;n<arguments.length;)if((e=new this(arguments[n++])).d)t.d&&(t=t.plus(e.times(e)));else{if(e.s)return o=!0,new this(1/0);t=e}return o=!0,t.sqrt()}function un(n){return n instanceof qn||n&&"[object Decimal]"===n.name||!1}function cn(n){return new this(n).ln()}function fn(n,e){return new this(n).log(e)}function an(n){return new this(n).log(2)}function hn(n){return new this(n).log(10)}function ln(){return I(this,arguments,"lt")}function dn(){return I(this,arguments,"gt")}function pn(n,e){return new this(n).mod(e)}function gn(n,e){return new this(n).mul(e)}function mn(n,e){return new this(n).pow(e)}function wn(n){var e,t,i,r,s=0,o=new this(1),u=[];if(void 0===n?n=this.precision:v(n,1,1e9),i=Math.ceil(n/7),this.crypto)if(crypto.getRandomValues)for(e=crypto.getRandomValues(new Uint32Array(i));s<i;)(r=e[s])>=429e7?e[s]=crypto.getRandomValues(new Uint32Array(1))[0]:u[s++]=r%1e7;else{if(!crypto.randomBytes)throw Error("[DecimalError] crypto unavailable");for(e=crypto.randomBytes(i*=4);s<i;)(r=e[s]+(e[s+1]<<8)+(e[s+2]<<16)+((127&e[s+3])<<24))>=214e7?crypto.randomBytes(4).copy(e,s):(u.push(r%1e7),s+=4);s=i/4}else 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r.s=n.s,void(o?!n.d||n.e>s.maxE?(r.e=NaN,r.d=null):n.e<s.minE?(r.e=0,r.d=[0]):(r.e=n.e,r.d=n.d.slice()):(r.e=n.e,r.d=n.d?n.d.slice():n.d));if("number"===(i=typeof n)){if(0===n)return r.s=1/n<0?-1:1,r.e=0,void(r.d=[0]);if(n<0?(n=-n,r.s=-1):r.s=1,n===~~n&&n<1e7){for(e=0,t=n;t>=10;t/=10)e++;return void(o?e>s.maxE?(r.e=NaN,r.d=null):e<s.minE?(r.e=0,r.d=[0]):(r.e=e,r.d=[n]):(r.e=e,r.d=[n]))}return 0*n!=0?(n||(r.s=NaN),r.e=NaN,void(r.d=null)):P(r,n.toString())}if("string"!==i)throw Error(u+n);return 45===(t=n.charCodeAt(0))?(n=n.slice(1),r.s=-1):(43===t&&(n=n.slice(1)),r.s=1),d.test(n)?P(r,n):T(r,n)}if(s.prototype=m,s.ROUND_UP=0,s.ROUND_DOWN=1,s.ROUND_CEIL=2,s.ROUND_FLOOR=3,s.ROUND_HALF_UP=4,s.ROUND_HALF_DOWN=5,s.ROUND_HALF_EVEN=6,s.ROUND_HALF_CEIL=7,s.ROUND_HALF_FLOOR=8,s.EUCLID=9,s.config=s.set=Y,s.clone=n,s.isDecimal=un,s.abs=H,s.acos=j,s.acosh=V,s.add=$,s.asin=W,s.asinh=J,s.atan=z,s.atanh=G,s.atan2=K,s.cbrt=Q,s.ceil=X,s.cos=nn,s.cosh=en,s.div=tn,s.exp=rn,s.floor=sn,s.hypot=on,s.ln=cn,s.log=fn,s.log10=hn,s.log2=an,s.max=ln,s.min=dn,s.mod=pn,s.mul=gn,s.pow=mn,s.random=wn,s.round=vn,s.sign=Nn,s.sin=bn,s.sinh=xn,s.sqrt=En,s.sub=yn,s.tan=_n,s.tanh=Mn,s.trunc=Dn,void 0===e&&(e={}),e&&!0!==e.defaults)for(r=["precision","rounding","toExpNeg","toExpPos","maxE","minE","modulo","crypto"],t=0;t<r.length;)e.hasOwnProperty(i=r[t++])||(e[i]=this[i]);return s.config(e),s}(s);function On(n,e){if(!n)throw new Error(e)}i=new qn(i),r=new qn(r);class An{constructor(n,e){this.amount=0,this.amount=n,this.symbol=e,On(this.is_amount_within_range(),"magnitude of asset amount must be less than 2^62")}is_amount_within_range(){return-An.max_amount<=this.amount&&this.amount<=An.max_amount}is_valid(){return!0}toString(){return`${this.toDecimal().toFixed(this.symbol.precision())} ${this.symbol.code()}`}toDecimal(){return new qn(this.amount).div(Math.pow(10,this.symbol.precision()))}toNumber(){return Number(this.toDecimal().toNumber().toFixed(this.symbol.precision()))}}An.max_amount=2**62-1;class Fn{constructor(n,e){this._code=n,this._precision=e}code(){return this._code}isEqual(n){return n.code===this.code&&n.precision()===this.precision()}precision(){return this._precision}}class In{sec_since_epoch(){return Date.now()}}const Sn=new Date(Date.UTC(2e3,0,1,0,0,0,0)).getTime();function Zn(){const n=new Date(Date.UTC(2e3,0,1,0,0,0,0)).getTime();return Math.floor((Date.now()-n)/1e3/604800)/52}exports.Asset=An,exports.Symbol=Fn,exports.block_timestamp_epoch=Sn,exports.check=On,exports.current_time_point=function(){return new In},exports.seconds_per_day=86400,exports.split=function(n){const[e,t]=n.split(" "),i=(e.split(".")[1]||[]).length,r=new qn(e).times(new qn(10).pow(i)).toNumber();return new An(r,new Fn(t,i))},exports.stake2vote=function(n){return n*Math.pow(2,Zn())},exports.symbol_code=class{constructor(n){this.value=0,n&&(this.value="number"==typeof n?Number(n):function(n){let e=BigInt(0);n.length>7&&On(!1,"string is too long to be a valid symbol_code");for(const t of n.split("").reverse().join(""))(t<"A"||t>"Z")&&On(!1,"only uppercase letters allowed in symbol_code string"),e<<=BigInt(8),e|=BigInt(t.charCodeAt(0));return Number(e)}(n))}raw(){return this.value}length(){let n=BigInt(this.value),e=0;for(;255&Number(n)&&e<=7;)e++,n>>=BigInt(8);return e}to_string(){return function(n){const e=BigInt(255);if(0==n)return"";let t="",i=BigInt(n);for(let n=0;n<7;++n,i>>=BigInt(8)){if(i==BigInt(0))return t;t+=String.fromCharCode(Number(i&e))}return t}(this.value)}is_valid(){let n=BigInt(this.value);for(let e=0;e<7;e++){const t=String.fromCharCode(255&Number(n));if(!("A"<=t&&t<="Z"))return!1;if(n>>=BigInt(8),!(255&Number(n)))do{if(n>>=BigInt(8),255&Number(n))return!1;e++}while(e<7)}return!0}isEqual(n){return n.value===this.value}},exports.vote2stake=function(n){return n/Math.pow(2,Zn())},exports.voteWeightToday=Zn;
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+// https://github.com/EOSIO/eosio.cdt/blob/master/libraries/eosiolib/core/eosio/check.hpp
+/**
+ * Assert if the predicate fails and use the supplied message.
+ *
+ * @param {boolean} pred Pre-condition
+ * @param {string} msg Error Message
+ * @returns {void}
+ * @example
+ *
+ * check(a == b, "a does not equal b");
+ */
+function check(pred, msg) {
+    if (!pred) {
+        throw new Error(msg);
+    }
+}
+
+// https://github.com/EOSIO/eosio.cdt/blob/master/libraries/eosiolib/symbol.hpp
+function str_to_symbol_code(str) {
+    let value = BigInt(0);
+    if (str.length > 7) {
+        check(false, "string is too long to be a valid symbol_code");
+    }
+    for (const itr of str.split("").reverse().join("")) {
+        if (itr < 'A' || itr > 'Z') {
+            check(false, "only uppercase letters allowed in symbol_code string");
+        }
+        value <<= BigInt(8);
+        value |= BigInt(itr.charCodeAt(0));
+    }
+    return Number(value);
+}
+function write_as_string(value) {
+    const mask = BigInt(0x00000000000000FF);
+    if (value == 0)
+        return '';
+    let begin = "";
+    let v = BigInt(value);
+    for (let i = 0; i < 7; ++i, v >>= BigInt(8)) {
+        if (v == BigInt(0))
+            return begin;
+        begin += String.fromCharCode(Number(v & mask));
+    }
+    return begin;
+}
+/**
+ * @class Stores the symbol code
+ * @brief Stores the symbol code as a uint64_t value
+ */
+class symbol_code {
+    // constructor()
+    constructor(str) {
+        this.value = 0; // uint64_t
+        if (str) {
+            if (typeof str == 'number')
+                this.value = Number(str);
+            else
+                this.value = str_to_symbol_code(str);
+        }
+    }
+    raw() {
+        return this.value;
+    }
+    length() {
+        let sym = BigInt(this.value);
+        let len = 0;
+        while (Number(sym) & 0xFF && len <= 7) {
+            len++;
+            sym >>= BigInt(8);
+        }
+        return len;
+    }
+    to_string() {
+        return write_as_string(this.value);
+    }
+    is_valid() {
+        let sym = BigInt(this.value);
+        for (let i = 0; i < 7; i++) {
+            const c = String.fromCharCode(Number(sym) & 0xFF);
+            if (!("A" <= c && c <= "Z"))
+                return false;
+            sym >>= BigInt(8);
+            if (!(Number(sym) & 0xFF)) {
+                do {
+                    sym >>= BigInt(8);
+                    if ((Number(sym) & 0xFF))
+                        return false;
+                    i++;
+                } while (i < 7);
+            }
+        }
+        return true;
+    }
+    isEqual(comparison) {
+        return comparison.value === this.value;
+    }
+}
+class Symbol {
+    /**
+     * Symbol
+     *
+     * @name Symbol
+     * @param {string} code Symbol Code
+     * @param {number} precision Precision
+     * @returns {Symbol} Symbol
+     * @example
+     *
+     * const sym = new Symbol("EOS", 4);
+     * sym.code() //=> "EOS"
+     * sym.precision //=> 4
+     */
+    constructor(code, precision) {
+        this._code = (typeof code == "string") ? new symbol_code(code) : code;
+        this._precision = precision;
+    }
+    code() {
+        return this._code;
+    }
+    isEqual(comparison) {
+        return comparison.code === this.code && comparison.precision() === this.precision();
+    }
+    precision() {
+        return this._precision;
+    }
+}
+
+// import { Decimal } from "decimal.js";
+/**
+ * Split quantity string
+ *
+ * @param {string} quantity Quantity string
+ * @returns {Asset}
+ * @example
+ *
+ * const quantity = split("1.0000 EOS");
+ * quantity.amount //=> 10000
+ * quantity.symbol.precision //=> 4
+ * quantity.symbol.code() //=> "EOS"
+ */
+function split(quantity) {
+    const [amount, symbol] = quantity.split(" ");
+    const precision = (amount.split(".")[1] || []).length;
+    const amount_uint64 = Number(amount) * Math.pow(10, precision);
+    return new Asset(amount_uint64, new Symbol(symbol, precision));
+}
+function asset_to_double(quantity) {
+    if (quantity.amount == 0)
+        return 0.0;
+    return quantity.amount / Math.pow(10, quantity.symbol.precision());
+}
+function double_to_asset(amount, sym) {
+    return new Asset(amount * Math.pow(10, sym.precision()), sym);
+}
+
+// https://github.com/EOSIO/eosio.cdt/blob/master/libraries/eosiolib/asset.hpp
+/**
+ * Asset
+ *
+ * @name Asset
+ * @param {number} amount The amount of the asset
+ * @param {Symbol} sym  The name of the symbol
+ * @returns {Asset} Asset
+ * @example
+ *
+ * const quantity = new Asset(10000, new Symbol("EOS", 4));
+ * quantity.toString() //=> "1.0000 EOS";
+ * quantity.symbol.code() //=> "EOS"
+ * quantity.symbol.precision //=> 4
+ */
+class Asset {
+    constructor(amount, sym) {
+        /**
+         * {int64_t} The amount of the asset
+         */
+        this.amount = 0;
+        this.amount = amount;
+        this.symbol = sym;
+        check(this.is_amount_within_range(), "magnitude of asset amount must be less than 2^62");
+        // check( this.symbol.is_valid(), "invalid symbol name" );
+    }
+    /**
+     * Check if the amount doesn't exceed the max amount
+     *
+     * @return true - if the amount doesn't exceed the max amount
+     * @return false - otherwise
+     */
+    is_amount_within_range() {
+        return -Asset.max_amount <= this.amount && this.amount <= Asset.max_amount;
+    }
+    /**
+     * Check if the asset is valid. %A valid asset has its amount <= max_amount and its symbol name valid
+     *
+     * @return true - if the asset is valid
+     * @return false - otherwise
+     */
+    is_valid() {
+        // return this.is_amount_within_range() && this.symbol.is_valid();
+        return true;
+    }
+    to_string() {
+        const amount = this.to_double().toFixed(this.symbol.precision());
+        return `${amount} ${this.symbol.code().to_string()}`;
+    }
+    to_double() {
+        return asset_to_double(this);
+    }
+}
+/**
+ * {constexpr int64_t} Maximum amount possible for this asset. It's capped to 2^62 - 1
+ */
+Asset.max_amount = 2 ** 62 - 1;
+
+class Time {
+    sec_since_epoch() {
+        return Date.now();
+    }
+}
+function current_time_point() {
+    return new Time();
+}
+const block_timestamp_epoch = new Date(Date.UTC(2000, 0, 1, 0, 0, 0, 0)).getTime();
+const seconds_per_day = 60 * 60 * 24;
+
+// https://github.com/EOSIO/eosio.contracts/blob/master/contracts/eosio.system/src/voting.cpp
+/**
+ * voteWeightToday computes the stake2vote weight for EOS, in order to compute the decaying value.
+ */
+function voteWeightToday() {
+    const seconds_per_day = 86400;
+    const block_timestamp_epoch = new Date(Date.UTC(2000, 0, 1, 0, 0, 0, 0)).getTime();
+    return Math.floor((Date.now() - block_timestamp_epoch) / 1000 / (seconds_per_day * 7)) / 52;
+}
+/**
+ * Convert EOS stake into decaying value
+ *
+ * @param {number} vote vote
+ */
+function stake2vote(staked) {
+    return staked * Math.pow(2, voteWeightToday());
+}
+/**
+ * Convert vote decay value into EOS stake
+ *
+ * @param {number} staked staked
+ */
+function vote2stake(vote) {
+    return vote / Math.pow(2, voteWeightToday());
+}
+
+exports.Asset = Asset;
+exports.Symbol = Symbol;
+exports.asset_to_double = asset_to_double;
+exports.block_timestamp_epoch = block_timestamp_epoch;
+exports.check = check;
+exports.current_time_point = current_time_point;
+exports.double_to_asset = double_to_asset;
+exports.seconds_per_day = seconds_per_day;
+exports.split = split;
+exports.stake2vote = stake2vote;
+exports.symbol_code = symbol_code;
+exports.vote2stake = vote2stake;
+exports.voteWeightToday = voteWeightToday;
 //# sourceMappingURL=index.js.map

package.json

 {
   "name": "eos-common",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "EOSIO Smart Contract common library used for Typescript",
@@ -21,3 +21,3 @@ "main": "dist/index.js",
     "build": "rollup -c rollup.config.ts",
-    "prepublishOnly": "npm run build",
+    "prepublishOnly": "npm run test && npm run build",
     "test": "jest --coverage",
@@ -51,5 +51,3 @@ "posttest": "eslint . --ext .ts",
   },
-  "dependencies": {
-    "decimal.js": "10.x"
-  }
+  "dependencies": {}
 }

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Improved metrics

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decreased by-100%

Number of package files

16

increased by128.57%

Lines of code

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increased by146.74%

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decreased by-93.95%

Dependency changes

• - Removeddecimal.js@10.x

• - Removeddecimal.js@10.4.3(transitive)