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VersionCheck.ts
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VersionCheck.ts
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import ChainClient from './chain/ChainClient';
import LndClient from './lightning/LndClient';
import ClnClient from './lightning/cln/ClnClient';
import MpayClient from './lightning/cln/MpayClient';
type Version = string | number;
type VersionLimits = {
minimal: Version;
maximal: Version;
};
class VersionSplit {
private readonly parts: number[];
constructor(version: string) {
const split = version.split('.');
this.parts = split.map(Number);
}
public eq = (cmp: VersionSplit): boolean => {
return (
this.parts.length === cmp.parts.length &&
this.parts.every((elem, i) => elem === cmp.parts[i])
);
};
public gt = (cmp: VersionSplit): boolean => {
for (let i = 0; i < Math.max(this.parts.length, cmp.parts.length); i++) {
const v1 = VersionSplit.getVersionPart(this.parts, i);
const v2 = VersionSplit.getVersionPart(cmp.parts, i);
if (v1 > v2) {
return true;
} else if (v2 > v1) {
return false;
}
}
return false;
};
private static getVersionPart = (arr: number[], index: number): number => {
return arr.length > index ? arr[index] : 0;
};
}
class Comperator {
public static versionInBounds = (
version: Version,
limits: VersionLimits,
): boolean => {
if (typeof version === 'number') {
return (
version <= (limits.maximal as number) &&
version >= (limits.minimal as number)
);
}
const [versionSplit, minSplit, maxSplit] = [
version,
limits.minimal,
limits.maximal,
].map((ver) => new VersionSplit(ver as string));
return (
!minSplit.gt(versionSplit) &&
(maxSplit.gt(versionSplit) || maxSplit.eq(versionSplit))
);
};
}
class VersionCheck {
private static versionLimits: Record<
string,
{
minimal: string | number;
maximal: string | number;
}
> = {
[ChainClient.serviceName]: {
minimal: 220000,
maximal: 260100,
},
[ClnClient.serviceName]: {
minimal: '23.05',
maximal: '24.04',
},
[ClnClient.serviceNameHold]: {
minimal: '0.0.3',
maximal: '0.0.5',
},
[MpayClient.serviceName]: {
minimal: '0.1.0',
maximal: '0.1.1',
},
[LndClient.serviceName]: {
minimal: '0.16.0',
maximal: '0.17.4',
},
};
public static checkChainClientVersion = (
symbol: string,
version: number,
): void => {
if (
!Comperator.versionInBounds(
version,
VersionCheck.versionLimits[ChainClient.serviceName],
)
) {
throw VersionCheck.unsupportedVersionError(
`${symbol} Core`,
version,
VersionCheck.versionLimits[ChainClient.serviceName],
);
}
};
public static checkLightningVersion = (
serviceName: string,
symbol: string,
version: string,
): void => {
let limits: VersionLimits;
let sanitizedVersion = version;
switch (serviceName) {
case LndClient.serviceName:
sanitizedVersion = version.split('-')[0];
limits = VersionCheck.versionLimits[LndClient.serviceName];
break;
case ClnClient.serviceName:
if (version.startsWith('v')) {
sanitizedVersion = sanitizedVersion.slice(1);
}
if (version.endsWith(ClnClient.moddedVersionSuffix)) {
sanitizedVersion = sanitizedVersion.slice(
0,
-ClnClient.moddedVersionSuffix.length,
);
}
limits = VersionCheck.versionLimits[ClnClient.serviceName];
break;
case ClnClient.serviceNameHold:
limits = VersionCheck.versionLimits[ClnClient.serviceNameHold];
break;
case MpayClient.serviceName:
limits = VersionCheck.versionLimits[MpayClient.serviceName];
break;
default:
throw `unsupported lightning client ${serviceName}`;
}
if (!Comperator.versionInBounds(sanitizedVersion, limits)) {
throw VersionCheck.unsupportedVersionError(
`${symbol} ${serviceName}`,
version,
limits,
);
}
};
private static unsupportedVersionError = (
service: string,
actual: Version,
limits: VersionLimits,
) => {
return `unsupported ${service} version: ${actual}; min version ${limits.minimal}; max version ${limits.maximal}`;
};
}
export default VersionCheck;