Created
September 1, 2023 13:14
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Get config params
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| import { Address, ProviderRpcClient } from "everscale-inpage-provider"; | |
| import { EverscaleStandaloneClient } from "everscale-standalone-client/nodejs"; | |
| const ever = new ProviderRpcClient({ | |
| forceUseFallback: true, | |
| fallback: () => | |
| EverscaleStandaloneClient.create({ | |
| connection: { | |
| id: 123, | |
| type: "proto", | |
| data: { | |
| endpoint: "https://jrpc.everwallet.net", | |
| }, | |
| }, | |
| }), | |
| }); | |
| const start = async () => { | |
| await ever.ensureInitialized(); | |
| const config = new ever.Contract( | |
| CONFIG_ABI, | |
| new Address( | |
| "-1:5555555555555555555555555555555555555555555555555555555555555555" | |
| ) | |
| ); | |
| const { fields } = await config.getFields({ allowPartial: true }); | |
| if (fields == null) { | |
| throw new Error("Config contract state not found"); | |
| } | |
| const { boc: nonEmptyMap } = await ever.packIntoCell({ | |
| abiVersion: "2.2", | |
| structure: [ | |
| { name: "flag", type: "bool" }, | |
| { name: "root", type: "cell" }, | |
| ] as const, | |
| data: { | |
| flag: true, | |
| root: fields.paramsRoot, | |
| }, | |
| }); | |
| const { | |
| data: { params: rawParams }, | |
| } = await ever.unpackFromCell({ | |
| abiVersion: "2.2", | |
| structure: [{ name: "params", type: "map(uint32,cell)" }] as const, | |
| allowPartial: true, | |
| boc: nonEmptyMap, | |
| }); | |
| const params = new Map<number, string>(); | |
| for (const [id, value] of rawParams) { | |
| params.set(parseInt(id), value); | |
| } | |
| const { | |
| data: { value: mcPrices }, | |
| } = await ever.unpackFromCell({ | |
| abiVersion: "2.2", | |
| structure: PRICES_PARAM_ABI, | |
| allowPartial: true, | |
| boc: params.get(20)!, | |
| }); | |
| const { | |
| data: { value: scPrices }, | |
| } = await ever.unpackFromCell({ | |
| abiVersion: "2.2", | |
| structure: PRICES_PARAM_ABI, | |
| allowPartial: true, | |
| boc: params.get(21)!, | |
| }); | |
| console.log(scPrices); | |
| /*{ | |
| tag1: '209', | |
| gasPrice: '1000', | |
| gasLimit: '1000000', | |
| tag2: '222', | |
| specialGasLimit: '65536000', | |
| gasCredit: '1000000', | |
| blockGasLimit: '1000000', | |
| freezeDueLimit: '10000', | |
| deleteDueLimit: '10000000', | |
| flatGasLimit: '100000000', | |
| flatGasPrice: '1000000000' | |
| }*/ | |
| }; | |
| start().catch(console.error); | |
| const CONFIG_ABI = { | |
| "ABI version": 2, | |
| version: "2.2", | |
| header: [], | |
| functions: [], | |
| events: [], | |
| fields: [ | |
| { | |
| name: "paramsRoot", | |
| type: "cell", | |
| }, | |
| ], | |
| } as const; | |
| const PRICES_PARAM_ABI = [ | |
| { | |
| name: "value", | |
| type: "tuple", | |
| components: [ | |
| // Flat tag | |
| { name: "tag1", type: "uint8" }, | |
| // The price of gas unit. | |
| { name: "gasPrice", type: "uint64" }, | |
| // The maximum amount of gas available for a compute phase of an ordinary transaction. | |
| { name: "gasLimit", type: "uint64" }, | |
| // Ext tag | |
| { name: "tag2", type: "uint8" }, | |
| // The maximum amount of gas available for a compute phase of a special transaction. | |
| { name: "specialGasLimit", type: "uint64" }, | |
| // The maximum amount of gas available before `ACCEPT`. | |
| { name: "gasCredit", type: "uint64" }, | |
| // The maximum amount of gas units per block. | |
| { name: "blockGasLimit", type: "uint64" }, | |
| // Amount of debt (in tokens) after which the account will be frozen. | |
| { name: "freezeDueLimit", type: "uint64" }, | |
| // Amount of debt (in tokens) after which the contract will be deleted. | |
| { name: "deleteDueLimit", type: "uint64" }, | |
| // Size of the first portion of gas with different price. | |
| { name: "flatGasLimit", type: "uint64" }, | |
| // The gas price for the first portion determinted by flatGasLimit | |
| { name: "flatGasPrice", type: "uint64" }, | |
| ], | |
| }, | |
| ] as const; |
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