Merge pull request #384 from fospring/nujabes403develop

Nujabes403develop

packages/near-contract-standards/src/fungible_token/events.ts

@@ -18,19 +18,24 @@
 import { NearEvent } from "../event";
 import { Option } from "../non_fungible_token/utils";
 import { AccountId, Balance } from "near-sdk-js";
+import { toSnakeCase } from "../util";
 
 export type Nep141EventKind = FtMint[] | FtTransfer[] | FtBurn[];
 
 export class Nep141Event extends NearEvent {
-    version: string;
-    event_kind: Nep141EventKind;
-
-    constructor(version: string, event_kind: Nep141EventKind) {
-      super();
-      this.version = version;
-      this.event_kind = event_kind;
-    }
+  standard: string;
+  version: string;
+  event: string;
+  data: Nep141EventKind;
+
+  constructor(version: string, event_kind: Nep141EventKind) {
+    super();
+    this.standard = "nep141"
+    this.version = version
+    this.event = toSnakeCase(event_kind[0].constructor.name)
+    this.data = event_kind
   }
+}
 
 /** Data to log for an FT mint event. To log this event, call [`.emit()`](FtMint::emit). */
 export class FtMint {

packages/near-contract-standards/src/non_fungible_token/events.ts

@@ -16,17 +16,22 @@
 import { AccountId } from "near-sdk-js";
 import { NearEvent } from "../event";
 import { TokenId } from "./token";
+import { toSnakeCase } from "../util";
 
-export type Nep171EventKind = NftMint[] | NftTransfer[] | NftBurn[];
+export type Nep171EventKind = NftMint[] | NftTransfer[] | NftBurn[] | NftContractMetadataUpdate[];
 
 export class Nep171Event extends NearEvent {
+  standard: string;
   version: string;
-  event_kind: Nep171EventKind;
+  event: string;
+  data: Nep171EventKind;
 
   constructor(version: string, event_kind: Nep171EventKind) {
     super();
-    this.version = version;
-    this.event_kind = event_kind;
+    this.standard = "nep171"
+    this.version = version
+    this.event = toSnakeCase(event_kind[0].constructor.name)
+    this.data = event_kind
   }
 }
 
@@ -97,6 +102,25 @@ export class NftBurn {
   }
 }
 
+/** Data to log for an NFT contract metadata updates. To log this event, call [`.emit()`](NftContractMetadataUpdate.emit). */
+export class NftContractMetadataUpdate {
+  constructor(
+      public memo?: string
+  ) {}
+
+  /** Logs the event to the host. This is required to ensure that the event is triggered
+   * and to consume the event. */
+  emit() {
+    NftContractMetadataUpdate.emit_many([this]);
+  }
+
+  /** Emits an contract metadata update event, through `near.log`,
+   * where each [`NftBurn`] represents the data of each burn. */
+  static emit_many(data: NftContractMetadataUpdate[]) {
+    new_171_v1(data).emit();
+  }
+}
+
 function new_171(version: string, event_kind: Nep171EventKind): NearEvent {
   return new Nep171Event(version, event_kind);
 }

packages/near-contract-standards/src/util.ts

@@ -0,0 +1,3 @@
+export const toSnakeCase = (str: string) => {
+  return str.replace(/[A-Z]/g, (letter, index) => { return index == 0 ? letter.toLowerCase() : '_'+ letter.toLowerCase();});
+}