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add atomicUnitsToXmr and xmrToAtomicUnits utils

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This commit is contained in:
woodser 2023-05-02 09:12:43 -04:00
parent 31e78ec55e
commit ff810de4b7
2 changed files with 41 additions and 2 deletions
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10
src/HavenoClient.test.ts
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@ -176,8 +176,8 @@ const TestConfig = {
walletSyncPeriodMs: 5000, walletSyncPeriodMs: 5000,
maxTimePeerNoticeMs: 5000, maxTimePeerNoticeMs: 5000,
maxConcurrency: 14, // max concurrency maxConcurrency: 14, // max concurrency
maxConcurrencyCI: 4, // CI test max concurrency maxConcurrencyCI: 14, // CI test max concurrency
stopOnFailure: false stopOnFailure: true
} }
}; };
@ -382,6 +382,12 @@ test("Can get the version (CI)", async () => {
expect(version).toEqual(TestConfig.haveno.version); expect(version).toEqual(TestConfig.haveno.version);
}); });
test("Can convert between XMR and atomic units (CI)", async () => {
expect(BigInt(250000000000)).toEqual(HavenoUtils.xmrToAtomicUnits(0.25));
expect(HavenoUtils.atomicUnitsToXmr("250000000000")).toEqual(.25);
expect(HavenoUtils.atomicUnitsToXmr(BigInt("250000000000"))).toEqual(.25);
});
test("Can manage an account (CI)", async () => { test("Can manage an account (CI)", async () => {
let user3: HavenoClient|undefined; let user3: HavenoClient|undefined;
let err: any; let err: any;

33
src/utils/HavenoUtils.ts
View File

@ -10,6 +10,7 @@ export default class HavenoUtils {
static logLevel = 0; static logLevel = 0;
static months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec']; static months = ['Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'];
static lastLogTimeMs = 0; static lastLogTimeMs = 0;
static AU_PER_XMR = 1000000000000n;
/** /**
* Set the log level with 0 being least verbose. * Set the log level with 0 being least verbose.
@ -139,4 +140,36 @@ export default class HavenoUtils {
static divideBI(a: bigint, b: bigint): number { static divideBI(a: bigint, b: bigint): number {
return Number(a * 100n / b) / 100 return Number(a * 100n / b) / 100
} }
/**
* Convert XMR to atomic units.
*
* @param {number|string} amountXmr - amount in XMR to convert to atomic units
* @return {BigInt} amount in atomic units
*/
static xmrToAtomicUnits(amountXmr: number|string): BigInt {
if (typeof amountXmr === "number") amountXmr = "" + amountXmr;
else if (typeof amountXmr !== "string") throw new Error("Must provide XMR amount as a string or js number to convert to atomic units");
let decimalDivisor = 1;
let decimalIdx = amountXmr.indexOf('.');
if (decimalIdx > -1) {
decimalDivisor = Math.pow(10, amountXmr.length - decimalIdx - 1);
amountXmr = amountXmr.slice(0, decimalIdx) + amountXmr.slice(decimalIdx + 1);
}
return BigInt(amountXmr) * BigInt(HavenoUtils.AU_PER_XMR) / BigInt(decimalDivisor);
}
/**
* Convert atomic units to XMR.
*
* @param {BigInt|string} amountAtomicUnits - amount in atomic units to convert to XMR
* @return {number} amount in XMR
*/
static atomicUnitsToXmr(amountAtomicUnits: BigInt|string) {
if (typeof amountAtomicUnits === "string") amountAtomicUnits = BigInt(amountAtomicUnits);
else if (typeof amountAtomicUnits !== "bigint") throw new Error("Must provide atomic units as BigInt or string to convert to XMR");
const quotient: bigint = amountAtomicUnits as bigint / HavenoUtils.AU_PER_XMR;
const remainder: bigint = amountAtomicUnits as bigint % HavenoUtils.AU_PER_XMR;
return Number(quotient) + Number(remainder) / Number(HavenoUtils.AU_PER_XMR);
}
} }