49 lines
1.5 KiB
TypeScript
49 lines
1.5 KiB
TypeScript
import { Program, Provider } from '@project-serum/anchor';
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import { PublicKey } from '@solana/web3.js';
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import { IDL, MangoV4 } from './mango_v4';
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export const MANGO_V4_ID = new PublicKey(
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'm43thNJ58XCjL798ZSq6JGAG1BnWskhdq5or6kcnfsD',
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);
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export class MangoClient {
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constructor(public program: Program<MangoV4>, public devnet?: boolean) {}
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static async connect(
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provider: Provider,
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devnet?: boolean,
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): Promise<MangoClient> {
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// Alternatively we could fetch IDL from chain.
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// const idl = await Program.fetchIdl(MANGO_V4_ID, provider);
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let idl = IDL;
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// TODO: remove
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// Temporarily add missing (dummy) type definitions, so we can do new Program(...) below
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// without anchor throwing errors. These types come from part of the code we don't yet care about
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// in the client.
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function addDummyType(idl: MangoV4, typeName: string) {
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(idl.types as any).push({
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name: typeName,
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type: {
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kind: 'struct',
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fields: [],
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},
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});
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}
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addDummyType(idl, 'usize');
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addDummyType(idl, 'AnyNode');
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addDummyType(idl, 'EventQueueHeader');
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addDummyType(idl, 'AnyEvent');
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addDummyType(idl, 'instructions::NewOrderInstructionData');
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addDummyType(idl, 'instructions::CancelOrderInstructionData');
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addDummyType(idl, 'H');
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addDummyType(idl, 'H::Item');
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addDummyType(idl, 'NodeHandle');
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return new MangoClient(
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new Program<MangoV4>(idl as MangoV4, MANGO_V4_ID, provider),
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devnet,
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);
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}
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}
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