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Merge pull request #10 from wharfkit/using-contract-kit
Using ContractKit
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,201 @@ | ||
| import { | ||
| Action, | ||
| API, | ||
| APIClient, | ||
| Asset, | ||
| AssetType, | ||
| Name, | ||
| NameType, | ||
| UInt32Type, | ||
| } from '@wharfkit/antelope' | ||
| import {Contract} from '@wharfkit/contract' | ||
| import {Resources} from '@wharfkit/resources' | ||
|
|
||
| import {Permission} from './permission' | ||
| import {SystemContract} from './contracts/eosio' | ||
| import {Resource, ResourceType} from './resource' | ||
|
|
||
| export interface AccountArgs { | ||
| client: APIClient | ||
| contract?: Contract | ||
| data: API.v1.AccountObject | ||
| } | ||
|
|
||
| export interface BuyramOptions { | ||
| receiver?: NameType | ||
| } | ||
|
|
||
| export interface DelegateOptions { | ||
| from?: NameType | ||
| receiver?: NameType | ||
| cpu?: AssetType | ||
| net?: AssetType | ||
| transfer?: boolean | ||
| } | ||
|
|
||
| export interface UndelegateOptions { | ||
| from?: NameType | ||
| receiver?: NameType | ||
| cpu?: AssetType | ||
| net?: AssetType | ||
| } | ||
|
|
||
| export class Account { | ||
| readonly data: API.v1.AccountObject | ||
| readonly systemContract: Contract | ||
| readonly client: APIClient | ||
|
|
||
| constructor(args: AccountArgs) { | ||
| this.data = args.data | ||
| if (args.contract) { | ||
| this.systemContract = args.contract | ||
| } else { | ||
| this.systemContract = new SystemContract.Contract({client: args.client}) | ||
| } | ||
| this.client = args.client | ||
| } | ||
|
|
||
| get accountName() { | ||
| return Name.from(this.data.account_name) | ||
| } | ||
|
|
||
| get systemToken() { | ||
| return Asset.Symbol.from(this.data.total_resources.cpu_weight.symbol) | ||
| } | ||
|
|
||
| balance(contract: NameType = 'eosio.token', symbol?: Asset.SymbolType): Promise<Asset> { | ||
| return new Promise((resolve, reject) => { | ||
| this.client.v1.chain | ||
| .get_currency_balance(contract, String(this.accountName), symbol && String(symbol)) | ||
| .then((balances) => { | ||
| const balance = (balances as any)[0] | ||
|
|
||
| if (!balance) { | ||
| reject( | ||
| new Error( | ||
| `No balance found for ${symbol} token of ${contract} contract.` | ||
| ) | ||
| ) | ||
| } | ||
|
|
||
| resolve(balance) | ||
| }) | ||
| .catch((err) => { | ||
| if ( | ||
| err.message.includes('No data') || | ||
| err.message.includes('Account Query Exception') | ||
| ) { | ||
| reject(new Error(`Token contract ${contract} does not exist.`)) | ||
| } | ||
| reject(err) | ||
| }) | ||
| }) | ||
| } | ||
|
|
||
| permission(permissionName: NameType): Permission { | ||
| const permission = this.data.permissions.find((permission) => | ||
| permission.perm_name.equals(permissionName) | ||
| ) | ||
|
|
||
| if (!permission) { | ||
| throw new Error( | ||
| `Permission ${permissionName} does not exist on account ${this.accountName}.` | ||
| ) | ||
| } | ||
|
|
||
| return Permission.from(permission) | ||
| } | ||
|
|
||
| resource(resourceType: ResourceType): Resource { | ||
| return new Resource(resourceType, this.data) | ||
| } | ||
|
|
||
| // TODO: Refactor once resources library is updated | ||
| resources(sampleAccount?: NameType) { | ||
| // Returns an instance of the @wharfkit/resources library | ||
| // configured for this blockchain/account | ||
| return new Resources({ | ||
| api: this.client, | ||
| sampleAccount: sampleAccount ? String(sampleAccount) : undefined, | ||
| symbol: this.data.core_liquid_balance | ||
| ? String(this.data.core_liquid_balance.symbol) | ||
| : undefined, | ||
| }) | ||
| } | ||
|
|
||
| setPermission(permission: Permission): Action { | ||
| return this.systemContract.action('updateauth', { | ||
| account: this.accountName, | ||
| auth: permission.required_auth, | ||
| authorized_by: '', | ||
| parent: permission.parent, | ||
| permission: permission.perm_name, | ||
| }) | ||
| } | ||
|
|
||
| removePermission(permissionName: NameType): Action { | ||
| return this.systemContract.action('deleteauth', { | ||
| account: this.accountName, | ||
| authorized_by: '', | ||
| permission: permissionName, | ||
| }) | ||
| } | ||
|
|
||
| linkauth() { | ||
| // TODO: Implement `linkauth` action calls | ||
| } | ||
|
|
||
| unlinkauth() { | ||
| // TODO: Implement `unlinkauth` action calls | ||
| } | ||
|
|
||
| buyRam(amount: AssetType, options?: BuyramOptions): Action { | ||
| let receiver = this.accountName | ||
| if (options && options.receiver) { | ||
| receiver = Name.from(options.receiver) | ||
| } | ||
| return this.systemContract.action('buyram', { | ||
| payer: this.accountName, | ||
| quant: amount, | ||
| receiver, | ||
| }) | ||
| } | ||
|
|
||
| buyRamBytes(bytes: UInt32Type, options?: BuyramOptions): Action { | ||
| let receiver = this.accountName | ||
| if (options && options.receiver) { | ||
| receiver = Name.from(options.receiver) | ||
| } | ||
| return this.systemContract.action('buyrambytes', { | ||
| bytes, | ||
| payer: this.accountName, | ||
| receiver, | ||
| }) | ||
| } | ||
|
|
||
| sellRam(bytes: UInt32Type): Action { | ||
| return this.systemContract.action('sellram', { | ||
| account: this.accountName, | ||
| bytes, | ||
| }) | ||
| } | ||
|
|
||
| delegate(value: DelegateOptions): Action { | ||
| return this.systemContract.action('delegatebw', { | ||
| from: value.from || this.accountName, | ||
| receiver: value.receiver || this.accountName, | ||
| stake_cpu_quantity: value.cpu || Asset.fromUnits(0, this.systemToken), | ||
| stake_net_quantity: value.net || Asset.fromUnits(0, this.systemToken), | ||
| transfer: value.transfer !== undefined ? value.transfer : false, | ||
| }) | ||
| } | ||
|
|
||
| undelegate(value: UndelegateOptions): Action { | ||
| return this.systemContract.action('undelegatebw', { | ||
| from: value.from || this.accountName, | ||
| receiver: value.receiver || this.accountName, | ||
| unstake_cpu_quantity: value.cpu || Asset.fromUnits(0, this.systemToken), | ||
| unstake_net_quantity: value.net || Asset.fromUnits(0, this.systemToken), | ||
| }) | ||
| } | ||
| } |
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