Added optional filtering by tokenId to validator

simpleledger · Mar 1, 2019 · a5ed737 · a5ed737
1 parent 94c3ccf
commit a5ed737
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/lib/localvalidator.ts b/lib/localvalidator.ts
@@ -79,7 +79,7 @@ export class LocalValidator implements SlpValidator {
         throw Error("Transaction data not provided (null or undefined).")
     }
 
-    async isValidSlpTxid(txid: string): Promise<boolean> {
+    async isValidSlpTxid(txid: string, tokenIdFilter?: string): Promise<boolean> {
         if(txid && !this.cachedValidations[txid]) {
             this.cachedValidations[txid] = { validity: null, parents: [], details: null, invalidReason: null }
             await this.retrieveRawTransaction(txid);
@@ -98,11 +98,19 @@ export class LocalValidator implements SlpValidator {
         let slpmsg: SlpTransactionDetails;
         try {
             slpmsg = this.cachedValidations[txid].details = this.slp.parseSlpOutputScript(txn.outputs[0]._scriptBuffer)
+            if(slpmsg.transactionType === SlpTransactionType.GENESIS)
+                slpmsg.tokenIdHex = txid;
         } catch(e) {
             this.cachedValidations[txid].invalidReason = "SLP OP_RETURN parsing error (" + e.message + ")."
             return this.cachedValidations[txid].validity = false;
         }
 
+        // Check for tokenId filter
+        if(tokenIdFilter && slpmsg.tokenIdHex !== tokenIdFilter) {
+            this.cachedValidations[txid].invalidReason = "Only tokenId " + tokenIdFilter + " was considered by validator.";
+            return this.cachedValidations[txid].validity = false;
+        }
+
         // Check DAG validity
         if(slpmsg.transactionType === SlpTransactionType.GENESIS) {
             return this.cachedValidations[txid].validity = true;

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "slpjs",
-  "version": "0.15.0",
+  "version": "0.15.2",
   "description": "Simple Ledger Protocol (SLP) JavaScript Library",
   "main": "index.js",
   "files": [