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Authority,
AuthorityType,
KeyWeight,
Name,
NameType,
PermissionLevelType,
PermissionLevelWeight,
PublicKeyType,
UInt32Type,
WaitWeight,
} from '@greymass/eosio'
import {API} from '@greymass/eosio'
import type {Account, Session} from './accounts'
export type PermissionParams =
| {permissionName: NameType; accountData: API.v1.AccountObject}
| PermissionData
export interface PermissionData {
account: NameType
parent: NameType
permission: NameType
auth: AuthorityType | Authority
authorized_by?: NameType
}
export interface ActionParam {
session: Session
account: Account
}
export interface AddKeyActionParam {
permission: Permission
key: string
}
export interface ActionData {
account: NameType
parent: NameType
permission: NameType
auth: AuthorityType
}
export function instanceOfPermissionData(object: any): object is PermissionData {
return 'account' in object
}
export class Permission {
permission_name: Name
permission_data: PermissionData
constructor(permissionName: Name, permissionData: PermissionData) {
this.permission_name = permissionName
this.permission_data = permissionData
}
static from(permissionParams: PermissionParams): Permission {
if (instanceOfPermissionData(permissionParams)) {
return new Permission(Name.from(permissionParams.permission), {
...permissionParams,
auth: Authority.from(permissionParams.auth),
})
}
const {permissionName, accountData} = permissionParams
const permissionObject = accountData.getPermission(permissionName)
Iif (!permissionObject) {
throw new Error(
`Permission ${permissionName} does not exist on account ${accountData.account_name}`
)
}
return new Permission(Name.from(permissionName), {
account: accountData.account_name,
parent: permissionObject.parent,
permission: permissionObject.perm_name,
auth: Authority.from(permissionObject.required_auth),
})
}
get permissionName(): Name {
return this.permission_name
}
get actionData(): ActionData {
return {
...this.permission_data,
auth: {
keys: this.permission_data.auth?.keys?.map(({key, weight}) => {
return {
key: String(key),
weight: Number(weight),
}
}),
accounts: this.permission_data.auth?.accounts?.map(({permission, weight}) => ({
permission: {
actor: String(permission.actor),
permission: String(permission.permission),
},
weight: Number(weight),
})),
waits: this.permission_data.auth?.waits?.map(({wait_sec, weight}) => ({
wait_sec: Number(wait_sec),
weight: Number(weight),
})),
threshold: Number(this.permission_data.auth?.threshold),
},
}
}
addKey(key: PublicKeyType, weight = 1): void {
this.permission_data = {
...this.permission_data,
auth: Authority.from({
...(this.permission_data.auth || {}),
keys: [
...(this.permission_data.auth?.keys || []),
KeyWeight.from({
key: key,
weight: weight,
}),
],
}),
}
}
removeKey(key: PublicKeyType): void {
this.permission_data = {
...this.permission_data,
auth: Authority.from({
...this.permission_data.auth,
keys: this.permission_data.auth?.keys?.filter((keyWeight: {key: PublicKeyType}) => {
return String(keyWeight.key) !== key
}),
}),
}
}
addAccount(accountPermission: {actor: NameType; permission: NameType}, weight = 1): void {
this.permission_data = {
...this.permission_data,
auth: Authority.from({
...this.permission_data.auth,
accounts: [
...(this.permission_data.auth.accounts || []),
PermissionLevelWeight.from({
permission: {
actor: accountPermission.actor,
permission: accountPermission.permission,
},
weight: weight,
}),
],
}),
}
}
removeAccount(account: NameType): void {
this.permission_data = {
...this.permission_data,
auth: Authority.from({
...this.permission_data.auth,
accounts: this.permission_data.auth?.accounts?.filter(
(permissionWeight: {permission: PermissionLevelType}) => {
return String(permissionWeight.permission?.actor) !== account
}
),
}),
}
}
addWait(wait_sec: number, weight = 1): void {
this.permission_data = {
...this.permission_data,
auth: Authority.from({
...this.permission_data.auth,
waits: [
...(this.permission_data.auth.waits || []),
WaitWeight.from({
wait_sec: wait_sec,
weight: weight,
}),
],
}),
}
}
removeWait(wait_sec: UInt32Type): void {
this.permission_data = {
...this.permission_data,
auth: Authority.from({
...this.permission_data.auth,
waits: this.permission_data.auth?.waits?.filter(
(waitWeight: {wait_sec: number; weight: number}) => {
return Number(waitWeight.wait_sec) !== wait_sec
}
),
}),
}
}
}
|