Changed checksum command to use neu hasher (airtasker#671)

README.md

@@ -122,7 +122,7 @@ npx @airtasker/spot generate --contract api.ts
 
 ## `spot checksum SPOT_CONTRACT`
 
-Generate a version tag based on a Spot contract
+Generate a checksum for a Spot contract
 
 ```
 USAGE
@@ -135,7 +135,7 @@ OPTIONS
   -h, --help  show CLI help
 
 EXAMPLE
-  $ spot mock api.ts
+  $ spot checksum api.ts
 ```
 
 _See code: [build/cli/src/commands/checksum.js](https://github.com/airtasker/spot/blob/v0.3.1/build/cli/src/commands/checksum.js)_

cli/src/commands/checksum.ts

@@ -1,16 +1,16 @@
 import { Command, flags } from "@oclif/command";
-import { hashContractDefinition } from "../../../lib/src/checksum/hash";
-import { safeParse } from "../common/safe-parse";
+import { hashContract } from "../../../lib/src/neu/checksum/hash";
+import { parse } from "../../../lib/src/neu/parser";
 
 const ARG_API = "spot_contract";
 
 /**
- * oclif command to generate a tag based on a Spot contract
+ * oclif command to generate a checksum for a Spot contract
  */
 export default class Checksum extends Command {
-  static description = "Generate a version tag based on a Spot contract";
+  static description = "Generate a checksum for a Spot contract";
 
-  static examples = ["$ spot mock api.ts"];
+  static examples = ["$ spot checksum api.ts"];
 
   static args = [
     {
@@ -28,8 +28,8 @@ export default class Checksum extends Command {
   async run() {
     const { args } = this.parse(Checksum);
     try {
-      const contract = safeParse.call(this, args[ARG_API]).definition;
-      const hash = hashContractDefinition(contract);
+      const contract = parse(args[ARG_API]);
+      const hash = hashContract(contract);
       this.log(hash);
     } catch (e) {
       this.error(e, { exit: 1 });