feat: authz helpers, instantiate2 acc address prediction

Author: dalechyn

.changeset/spicy-shoes-cross.md

@@ -0,0 +1,5 @@
+---
+"@abstract-money/core": patch
+---
+
+Added authz utils and util to retrieve account address before creation.

packages/core/abstract.config.ts

@@ -4,27 +4,27 @@ import { registry, vanilla } from '@abstract-money/cli/plugins'
 const contractsConfig = [
   {
     name: 'manager',
-    version: '0.19.2',
+    version: '0.20.0',
   },
   {
     name: 'proxy',
-    version: '0.19',
+    version: '0.20.0',
   },
   {
     name: 'module-factory',
-    version: '0.19',
+    version: '0.20.0',
   },
   {
     name: 'version-control',
-    version: '0.19',
+    version: '0.20.0',
   },
   {
     name: 'ans-host',
-    version: '0.19',
+    version: '0.20.0',
   },
   {
     name: 'account-factory',
-    version: '0.19',
+    version: '0.20.0',
   },
   {
     name: 'ibc-client',

packages/core/src/actions/wallet/create-account.ts

@@ -28,6 +28,7 @@ export async function createAccount({
     namespace,
     governance,
     link,
+    accountId,
   },
   fee,
   memo,
@@ -53,6 +54,7 @@ export async function createAccount({
       namespace,
       governance,
       link,
+      accountId,
     },
     fee,
     memo,

packages/core/src/utils/account-factory/get-instantiate2-account-address.ts

@@ -0,0 +1,27 @@
+import { instantiate2Address } from '@cosmjs/cosmwasm-stargate'
+import { bech32 } from 'bech32'
+import { AccountId, accountIdToString } from '../account-id'
+
+async function getSalt(accountId: AccountId) {
+  const hash = await crypto.subtle.digest(
+    'sha256',
+    new TextEncoder().encode(accountIdToString(accountId)),
+  )
+  return new Uint8Array(hash)
+}
+
+export async function getInstantiate2AccountAddress(
+  address: string,
+  accountFactoryAddress: string,
+  checksum: Uint8Array,
+  accountId: AccountId,
+) {
+  const prefix = bech32.decode(address).prefix
+
+  return instantiate2Address(
+    checksum,
+    accountFactoryAddress,
+    await getSalt(accountId),
+    prefix,
+  )
+}

packages/core/src/utils/account-factory/index.ts

@@ -1 +1,2 @@
 export * from './parse-create-account-execute-result'
+export * from './get-instantiate2-account-address'

packages/core/src/utils/authz/auth-transactions-types-url.ts

@@ -0,0 +1,6 @@
+export enum AuthzTransactionTypeUrl {
+  AuthZMsgExec = '/cosmos.authz.v1beta1.MsgExec',
+  AuthZMsgGrant = '/cosmos.authz.v1beta1.MsgGrant',
+  GenericAuthorization = '/cosmos.authz.v1beta1.GenericAuthorization',
+  SendAuthorization = '/cosmos.bank.v1beta1.SendAuthorization',
+}

packages/core/src/utils/authz/bank-transaction-types-url.ts

@@ -0,0 +1,4 @@
+export enum BankTransactionTypeUrl {
+  Send = '/cosmos.bank.v1beta1.MsgSend',
+  MultiSend = '/cosmos.bank.v1beta1.MsgMultiSend',
+}

packages/core/src/utils/authz/encode-authz-generic-authorization-msg.ts

@@ -0,0 +1,16 @@
+import { GenericAuthorization } from 'cosmjs-types/cosmos/authz/v1beta1/authz'
+import { AuthzTransactionTypeUrl } from './auth-transactions-types-url'
+import { BankTransactionTypeUrl } from './bank-transaction-types-url'
+
+export function encodeAuthzGenericAuthorizationMsg(
+  permission: `${BankTransactionTypeUrl}`,
+) {
+  return {
+    typeUrl: AuthzTransactionTypeUrl.GenericAuthorization,
+    value: GenericAuthorization.encode(
+      GenericAuthorization.fromPartial({
+        msg: permission,
+      }),
+    ).finish(),
+  }
+}

packages/core/src/utils/authz/encode-authz-send-authorization-msg.ts

@@ -0,0 +1,13 @@
+import { SendAuthorization } from 'cosmjs-types/cosmos/bank/v1beta1/authz'
+import { AuthzTransactionTypeUrl } from './auth-transactions-types-url'
+
+export function encodeAuthzSendAuthorizationMsg(
+  options: Parameters<typeof SendAuthorization.fromPartial>[0],
+) {
+  return {
+    typeUrl: AuthzTransactionTypeUrl.SendAuthorization,
+    value: SendAuthorization.encode(
+      SendAuthorization.fromPartial(options),
+    ).finish(),
+  }
+}

packages/core/src/utils/authz/index.ts

@@ -0,0 +1,4 @@
+export * from './auth-transactions-types-url'
+export * from './bank-transaction-types-url'
+export * from './encode-authz-send-authorization-msg'
+export * from './encode-authz-generic-authorization-msg'