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function setupWasm(fileName, nameSpace, setupFct) {
console.log('setupWasm ' + fileName)
let mod = {}
fetch(fileName)
.then(response => response.arrayBuffer())
.then(buffer => new Uint8Array(buffer))
.then(binary => {
mod['wasmBinary'] = binary
mod['onRuntimeInitialized'] = function() {
setupFct(mod, nameSpace)
console.log('setupWasm end')
}
Module(mod)
})
return mod
}
const MCLBN_CURVE_FP254BNB = 0
const MCLBN_CURVE_FP382_1 = 1
const MCLBN_CURVE_FP382_2 = 2
const MCLBN_FP_UNIT_SIZE = 6
function define_bls_extra_functions(mod) {
wrap_outputString = function(func, doesReturnString = true) {
return function(x, ioMode = 0) {
let maxBufSize = 2048
let stack = mod.Runtime.stackSave()
let pos = mod.Runtime.stackAlloc(maxBufSize)
let n = func(pos, maxBufSize, x, ioMode)
if (n < 0) {
throw('err gen_str:' + x)
}
if (doesReturnString) {
let s = ''
for (let i = 0; i < n; i++) {
s += String.fromCharCode(mod.HEAP8[pos + i])
}
mod.Runtime.stackRestore(stack)
return s
} else {
let a = new Uint8Array(n)
for (let i = 0; i < n; i++) {
a[i] = mod.HEAP8[pos + i]
}
mod.Runtime.stackRestore(stack)
return a
}
}
}
wrap_outputArray = function(func) {
return wrap_outputString(func, false)
}
wrap_input0 = function(func, returnValue = false) {
return function(buf, ioMode = 0) {
let stack = mod.Runtime.stackSave()
let pos = mod.Runtime.stackAlloc(buf.length)
if (typeof(buf) == "string") {
for (let i = 0; i < buf.length; i++) {
mod.HEAP8[pos + i] = buf.charCodeAt(i)
}
} else {
for (let i = 0; i < buf.length; i++) {
mod.HEAP8[pos + i] = buf[i]
}
}
let r = func(pos, buf.length, ioMode)
mod.Runtime.stackRestore(stack)
if (returnValue) return r
if (r) throw('err wrap_input0 ' + buf)
}
}
wrap_input1 = function(func, returnValue = false) {
return function(x1, buf, ioMode = 0) {
let stack = mod.Runtime.stackSave()
let pos = mod.Runtime.stackAlloc(buf.length)
if (typeof(buf) == "string") {
for (let i = 0; i < buf.length; i++) {
mod.HEAP8[pos + i] = buf.charCodeAt(i)
}
} else {
for (let i = 0; i < buf.length; i++) {
mod.HEAP8[pos + i] = buf[i]
}
}
let r = func(x1, pos, buf.length, ioMode)
mod.Runtime.stackRestore(stack)
if (returnValue) return r
if (r) throw('err wrap_input1 ' + buf)
}
}
wrap_input2 = function(func, returnValue = false) {
return function(x1, x2, buf, ioMode = 0) {
let stack = mod.Runtime.stackSave()
let pos = mod.Runtime.stackAlloc(buf.length)
if (typeof(buf) == "string") {
for (let i = 0; i < buf.length; i++) {
mod.HEAP8[pos + i] = buf.charCodeAt(i)
}
} else {
for (let i = 0; i < buf.length; i++) {
mod.HEAP8[pos + i] = buf[i]
}
}
let r = func(x1, x2, pos, buf.length, ioMode)
mod.Runtime.stackRestore(stack)
if (returnValue) return r
if (r) throw('err wrap_input2 ' + buf)
}
}
wrap_keyShare = function(func, dataSize) {
return function(x, vec, id) {
let k = vec.length
let p = mod._malloc(dataSize * k)
for (let i = 0; i < k; i++) {
mod._memcpy(p + i * dataSize, vec[i], dataSize)
}
let r = func(x, p, k, id)
mod._free(p)
if (r) throw('keyShare ' + k)
}
}
wrap_recover = function(func, dataSize, idDataSize) {
return function(x, vec, idVec) {
let n = vec.length
let p = mod._malloc(dataSize * n)
let q = mod._malloc(idDataSize * n)
for (let i = 0; i < n; i++) {
mod._memcpy(p + i * dataSize, vec[i], dataSize)
mod._memcpy(q + i * idDataSize, idVec[i], idDataSize)
}
let r = func(x, p, q, n)
mod._free(q)
mod._free(p)
if (r) throw('recover ' + n)
}
}
///////////////////////////////////////////////////////////////
const FR_SIZE = MCLBN_FP_UNIT_SIZE * 8
const G1_SIZE = FR_SIZE * 3
const G2_SIZE = FR_SIZE * 3 * 2
const GT_SIZE = FR_SIZE * 12
const ID_SIZE = FR_SIZE
const SECRETKEY_SIZE = FR_SIZE
const PUBLICKEY_SIZE = G2_SIZE
const SIGNATURE_SIZE = G1_SIZE
mclBnFr_malloc = function() {
return mod._malloc(FR_SIZE)
}
mcl_free = function(x) {
mod._free(x)
}
mclBnFr_deserialize = wrap_input1(_mclBnFr_deserialize)
mclBnFr_setLittleEndian = wrap_input1(_mclBnFr_setLittleEndian)
mclBnFr_setStr = wrap_input1(_mclBnFr_setStr)
mclBnFr_getStr = wrap_outputString(_mclBnFr_getStr)
mclBnFr_setHashOf = wrap_input1(_mclBnFr_setHashOf)
///////////////////////////////////////////////////////////////
mclBnG1_malloc = function() {
return mod._malloc(G1_SIZE)
}
mclBnG1_setStr = wrap_input1(_mclBnG1_setStr)
mclBnG1_getStr = wrap_outputString(_mclBnG1_getStr)
mclBnG1_deserialize = wrap_input1(_mclBnG1_deserialize)
mclBnG1_serialize = wrap_outputArray(_mclBnG1_serialize)
mclBnG1_hashAndMapTo = wrap_input1(_mclBnG1_hashAndMapTo)
///////////////////////////////////////////////////////////////
mclBnG2_malloc = function() {
return mod._malloc(G2_SIZE)
}
mclBnG2_setStr = wrap_input1(_mclBnG2_setStr)
mclBnG2_getStr = wrap_outputString(_mclBnG2_getStr)
mclBnG2_deserialize = wrap_input1(_mclBnG2_deserialize)
mclBnG2_serialize = wrap_outputArray(_mclBnG2_serialize)
mclBnG2_hashAndMapTo = wrap_input1(_mclBnG2_hashAndMapTo)
///////////////////////////////////////////////////////////////
mclBnGT_malloc = function() {
return mod._malloc(GT_SIZE)
}
mclBnGT_deserialize = wrap_input1(_mclBnGT_deserialize)
mclBnGT_serialize = wrap_outputArray(_mclBnGT_serialize)
mclBnGT_setStr = wrap_input1(_mclBnGT_setStr)
mclBnGT_getStr = wrap_outputString(_mclBnGT_getStr)
///////////////////////////////////////////////////////////////
bls_free = mcl_free
blsId_malloc = mclBnFr_malloc
blsSecretKey_malloc = mclBnFr_malloc
blsPublicKey_malloc = mclBnG2_malloc
blsSignature_malloc = mclBnG1_malloc
blsInit = function(curveType) {
return _blsInit(curveType, MCLBN_FP_UNIT_SIZE)
}
blsGetCurveOrder = wrap_outputString(_blsGetCurveOrder)
blsGetFieldOrder = wrap_outputString(_blsGetFieldOrder)
blsIdSetDecStr = wrap_input1(_blsIdSetDecStr)
blsIdSetHexStr = wrap_input1(_blsIdSetHexStr)
blsIdGetDecStr = wrap_outputArray(_blsIdGetDecStr)
blsIdGetHexStr = wrap_outputArray(_blsIdGetHexStr)
blsIdSerialize = wrap_outputArray(_blsIdSerialize)
blsSecretKeySerialize = wrap_outputArray(_blsSecretKeySerialize)
blsPublicKeySerialize = wrap_outputArray(_blsPublicKeySerialize)
blsSignatureSerialize = wrap_outputArray(_blsSignatureSerialize)
blsIdDeserialize = wrap_input1(_blsIdDeserialize)
blsSecretKeyDeserialize = wrap_input1(_blsSecretKeyDeserialize)
blsPublicKeyDeserialize = wrap_input1(_blsPublicKeyDeserialize)
blsSignatureDeserialize = wrap_input1(_blsSignatureDeserialize)
blsHashToSecretKey = wrap_input1(_blsHashToSecretKey)
blsSign = wrap_input2(_blsSign)
blsVerify = wrap_input2(_blsVerify, true)
blsSecretKeyShare = wrap_keyShare(_blsSecretKeyShare, SECRETKEY_SIZE)
blsPublicKeyShare = wrap_keyShare(_blsPublicKeyShare, PUBLICKEY_SIZE)
blsSecretKeyRecover = wrap_recover(_blsSecretKeyRecover, SECRETKEY_SIZE, ID_SIZE)
blsPublicKeyRecover = wrap_recover(_blsPublicKeyRecover, PUBLICKEY_SIZE, ID_SIZE)
blsSignatureRecover = wrap_recover(_blsSignatureRecover, SIGNATURE_SIZE, ID_SIZE)
}
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