[js] change bls.init api

4 files changed, 30 insertions, 37 deletions

diff --git a/docs/demo/bls-demo.js b/docs/demo/bls-demo.js
index 8214668..926bf11 100644
--- a/docs/demo/bls-demo.js
+++ b/docs/demo/bls-demo.js
@@ -3,12 +3,12 @@ function setValue(name, val) { document.getElementsByName(name)[0].value = val }
 function getText(name) { return document.getElementsByName(name)[0].innerText }
 function setText(name, val) { document.getElementsByName(name)[0].innerText = val }
 
-(function() {
-	bls.init(function() {
-		setText('status', 'ok')
-		setText('curveOrder', bls.capi.blsGetCurveOrder())
-	})
-})()
+bls.init()
+  .then(() => {
+    console.log('XXX')
+    setText('status', 'ok')
+    setText('curveOrder', bls.capi.blsGetCurveOrder())
+  })
 
 let prevSelectedCurve = -1
 function onChangeSelectCurve() {
diff --git a/docs/demo/bls.html b/docs/demo/bls.html
index 14e09dd..c148f07 100644
--- a/docs/demo/bls.html
+++ b/docs/demo/bls.html
@@ -4,7 +4,6 @@
 <meta charset="UTF-8">
 <title>BLS signature sample</title>
 <link rel="stylesheet" href="style.css" type="text/css">
-<script type='text/javascript' src="./exported-bls.js"></script>
 <script type='text/javascript' src="./bls_c.js"></script>
 <script type='text/javascript' src="./bls.js"></script>
 <script type='text/javascript' src="./bls-demo.js"></script>
diff --git a/docs/demo/bls.js b/docs/demo/bls.js
index 884956e..10d7f44 100644
--- a/docs/demo/bls.js
+++ b/docs/demo/bls.js
@@ -28,46 +28,40 @@
   const BLS_PUBLICKEY_SIZE = BLS_ID_SIZE * 3 * 2
   const BLS_SIGNATURE_SIZE = BLS_ID_SIZE * 3
 
-  let g_callback = null
-  let g_curveType = 0
-
   let capi = {}
   exports.capi = capi
   let mod = exports.mod
 
-  exports.init = function(callback = null, curveType = MCLBN_CURVE_FP254BNB) {
+  exports.init = (curveType = MCLBN_CURVE_FP254BNB) => {
     console.log('init')
-    g_callback = callback
-    g_curveType = curveType
-    if (isNodeJs) {
-    } else {
+    if (!isNodeJs) {
       fetch('bls_c.wasm')
         .then(response => response.arrayBuffer())
         .then(buffer => new Uint8Array(buffer))
         .then(binary => { Module(mod) })
     }
-  }
-
-  mod.onRuntimeInitialized = function() {
-    console.log('onRuntimeInitialized')
-    const f = function(exportedFuncs) {
-      exportedFuncs.forEach(func => {
-        capi[func.exportName] = mod.cwrap(func.name, func.returns, func.args)
-      })
-      define_extra_functions(mod)
-      let r = capi.blsInit(g_curveType)
-      console.log('finished ' + r)
-      if (g_callback) g_callback()
-    }
-    if (isNodeJs) {
-      const fs = require('fs')
-      const jsonStr = fs.readFileSync('./exported-bls.json')
-      f(JSON.parse(jsonStr))
-    } else {
-      fetch('exported-bls.json')
-        .then(response => response.json())
-        .then(exportedFuncs => f(exportedFuncs))
-    }
+    return new Promise((resolve) => {
+      mod.onRuntimeInitialized = () => {
+        const f = (exportedFuncs) => {
+          exportedFuncs.forEach(func => {
+            capi[func.exportName] = mod.cwrap(func.name, func.returns, func.args)
+          })
+          define_extra_functions(mod)
+          let r = capi.blsInit(curveType)
+          console.log('finished ' + r)
+          resolve()
+        }
+        if (isNodeJs) {
+          const fs = require('fs')
+          const jsonStr = fs.readFileSync('./exported-bls.json')
+          f(JSON.parse(jsonStr))
+        } else {
+          fetch('exported-bls.json')
+            .then(response => response.json())
+            .then(exportedFuncs => f(exportedFuncs))
+        }
+      }
+    })
   }
 
   const ptrToStr = function(pos, n) {
diff --git a/docs/demo/bls_c.wasm b/docs/demo/bls_c.wasm
index 91a2694..e58164d 100644
--- a/docs/demo/bls_c.wasm
+++ b/docs/demo/bls_c.wasm