40 lines
814 B
TypeScript
40 lines
814 B
TypeScript
class AccountRegistry {
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contract: any
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constructor(w3:any, abi:object, address:string) {
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this.contract = new w3.eth.Contract(abi, address);
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}
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public async count(): Promise<number> {
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return this.contract.methods.count().call();
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}
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public async have(address:string): Promise<boolean> {
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return await this.contract.methods.accountsIndex(address).call() != 0;
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}
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public async last(n:number): Promise<Array<string>> {
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const c = await this.count();
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let lo = c - n - 1;
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if (lo < 0) {
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lo = 0;
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}
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let accounts = [];
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for (let i = c - 1; i > lo; i--) {
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console.log('i', i);
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console.log('foo', i, await this.contract.methods.accounts(i).call());
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const a = await this.contract.methods.accounts(i).call();
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accounts.push(a);
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}
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return accounts;
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}
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}
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export {
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AccountRegistry,
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}
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