[js] add BlsId class

3 files changed, 73 insertions, 0 deletions

diff --git a/docs/demo/bls-demo.js b/docs/demo/bls-demo.js
index 21ea201..a00228d 100644
--- a/docs/demo/bls-demo.js
+++ b/docs/demo/bls-demo.js
@@ -351,3 +351,12 @@ function onClickTestShare()
 	}
 }
 
+function onClickTestMisc()
+{
+	let idDec = getValue('idDec')
+	console.log('idDec=' + idDec)
+	var id = new BlsId()
+	id.setDecStr(idDec)
+	setText('idHex', id.getHexStr())
+	setText('idDec2', id.getDecStr())
+}
diff --git a/docs/demo/bls.html b/docs/demo/bls.html
index 48d9b3c..fb36e6b 100644
--- a/docs/demo/bls.html
+++ b/docs/demo/bls.html
@@ -79,5 +79,14 @@ e(P, Q)^ab = <span name="ePQab">0</span><br>
 <div>
 e(aP, bQ) == e(P, Q)^ab is <span name="verify_pairing"></span>
 </div>
+<hr>
+<button type="text" id="testMisc" onclick="onClickTestMisc()">test misc</button>
+<div>
+id(dec) = <input type="text" name="idDec" value="3"><br>
+</div>
+id(hex) = <span name="idHex"></span><br>
+id(dec) again = <span name="idDec2"></span><br>
+<div>
+</div>
 </body>
 </html>
diff --git a/docs/demo/bls.js b/docs/demo/bls.js
index f4cbb9f..639f207 100644
--- a/docs/demo/bls.js
+++ b/docs/demo/bls.js
@@ -21,6 +21,12 @@ const MCLBN_CURVE_FP382_2 = 2
 
 const MCLBN_FP_UNIT_SIZE = 6
 
+const BLS_ID_SIZE = MCLBN_FP_UNIT_SIZE * 8
+
+BlsId = function() {
+	this.v_ = new Uint32Array(BLS_ID_SIZE / 4)
+}
+
 function define_bls_extra_functions(mod) {
 	wrap_outputString = function(func, doesReturnString = true) {
 		return function(x, ioMode = 0) {
@@ -214,5 +220,54 @@ function define_bls_extra_functions(mod) {
 	blsSecretKeyRecover = wrap_recover(_blsSecretKeyRecover, SECRETKEY_SIZE, ID_SIZE)
 	blsPublicKeyRecover = wrap_recover(_blsPublicKeyRecover, PUBLICKEY_SIZE, ID_SIZE)
 	blsSignatureRecover = wrap_recover(_blsSignatureRecover, SIGNATURE_SIZE, ID_SIZE)
+
+	var mallocAndCopyFromUint32Array = function(a) {
+		let p = mod._malloc(a.length * 4)
+		mod.writeArrayToMemory(a, p / 4)
+//		for (let i = 0; i < a.length; i++) {
+//			mod.HEAP32[p / 4 + i] = a[i]
+//		}
+		return p
+	}
+	var copyToUint32ArrayAndFree = function(a, p) {
+		for (let i = 0; i < a.length; i++) {
+			a[i] = mod.HEAP32[p / 4 + i]
+		}
+		mod._free(p)
+	}
+	BlsId.prototype.setDecStr = function(s) {
+		let p = blsId_malloc()
+		blsIdSetDecStr(p, s)
+		copyToUint32ArrayAndFree(this.v_, p)
+	}
+	BlsId.prototype.setHexStr = function(s) {
+		let p = blsId_malloc()
+		blsIdSetHexStr(p, s)
+		copyToUint32ArrayAndFree(this.v_, p)
+	}
+	BlsId.prototype.deserialize = function(a) {
+		let p = mallocAndCopyFromUint32Array(this.v_)
+		blsIdDeserialize(p, a)
+		bls_free(p)
+		return s
+	}
+	BlsId.prototype.getDecStr = function() {
+		let p = mallocAndCopyFromUint32Array(this.v_)
+		let s = blsIdGetDecStr(p)
+		bls_free(p)
+		return s
+	}
+	BlsId.prototype.getHexStr = function() {
+		let p = mallocAndCopyFromUint32Array(this.v_)
+		let s = blsIdGetHexStr(p)
+		bls_free(p)
+		return s
+	}
+	BlsId.prototype.serialize = function() {
+		let p = mallocAndCopyFromUint32Array(this.v_)
+		let s = blsIdSerialize(p)
+		bls_free(p)
+		return s
+	}
 }