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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | 1x 1x 1x 1x 1x | import {
ABISerializableObject,
Action,
AnyAction,
Checksum256,
Name,
NameType,
} from '@greymass/eosio'
// stubs for session kit
interface Session {
transact(SessionTransactArgs: any): Promise<SessionTransactResult>
}
interface SessionTransactArgs {
actions: AnyAction[]
}
export interface SessionTransactResult {
id: Checksum256
}
// TODO: move this to core
export function isABISerializableObject(value: any): value is ABISerializableObject {
return value.constructor && typeof value.constructor.abiName === 'string'
}
export class Contract {
/** Account where contract is deployed. */
static account: Name
private static _shared: Contract | null = null
private static _session: Session | null = null
/** Shared instance of the contract. */
static shared<T extends {new ()}>(this: T): InstanceType<T> {
const self = this as unknown as typeof Contract
if (!self._shared) {
self._shared = new self()
}
return self._shared as InstanceType<T>
}
/** Account where contract is deployed. */
get account() {
return (this.constructor as typeof Contract).account
}
/** Call a contract action. */
async call(
name: NameType,
data: ABISerializableObject | {[key: string]: any}
): Promise<SessionTransactResult> {
let action: Action
if (isABISerializableObject(data)) {
action = Action.from({
account: this.account,
name,
authorization: [],
data,
})
return {id: Checksum256.from('random_id')}
} else {
// TODO: here we need to fetch the ABI and construct the action
throw new Error('Not implemented')
}
// TODO: resolve session and transact
throw new Error('Not implemented')
}
/** Generate a contract action. */
async getAction(
name: NameType,
data: ABISerializableObject | {[key: string]: any}
): Promise<Action> {
let action: Action
if (isABISerializableObject(data)) {
action = Action.from({
account: this.account,
name,
authorization: [],
data,
})
} else {
// TODO: here we need to fetch the ABI and construct the action
throw new Error('Not implemented')
}
// TODO: resolve session and transact
throw new Error('Not implemented')
}
}
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