| 1 | import { isHex, isU8a, u8aToHex, u8aToU8a } from '@polkadot/util';
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| 2 | import { decodeAddress } from '@polkadot/util-crypto';
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| 3 | export class Pairs {
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| 4 | constructor() {
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| 5 | this.__internal__map = {};
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| 6 | }
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| 7 | add(pair) {
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| 8 | this.__internal__map[decodeAddress(pair.address).toString()] = pair;
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| 9 | return pair;
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| 10 | }
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| 11 | all() {
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| 12 | return Object.values(this.__internal__map);
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| 13 | }
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| 14 | get(address) {
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| 15 | const pair = this.__internal__map[decodeAddress(address).toString()];
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| 16 | if (!pair) {
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| 17 | throw new Error(`Unable to retrieve keypair '${isU8a(address) || isHex(address)
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| 18 | ? u8aToHex(u8aToU8a(address))
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| 19 | : address}'`);
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| 20 | }
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| 21 | return pair;
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| 22 | }
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| 23 | remove(address) {
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| 24 | delete this.__internal__map[decodeAddress(address).toString()];
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| 25 | }
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| 26 | }
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