init AS sdk

This commit is contained in:
DieMyst 2019-04-09 12:37:21 +03:00
commit 753f61569c
4 changed files with 269 additions and 0 deletions

82
assembly/index.ts Normal file
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/**
* Read bytes from memory.
* @param ptr
* @param size
*/
export function readRequestBytes(ptr: usize, size: usize): Uint8Array {
let bb: Uint8Array = new Uint8Array(size);
for (let i = 0; i < size; i++) {
bb[i] = load<u8>(ptr + i)
}
return bb;
}
export function readRequestString(ptr: usize, size: usize): string {
let bb = readRequestBytes(ptr, size);
return String.fromUTF8(bb.buffer.data, bb.length);
}
export function writeResponseBytes(bb: Uint8Array): usize {
let len: usize = bb.length;
let addr = memory.allocate(len + 4);
for (let i = 0; i < 4; i++) {
let b: u8 = (len >> i * 8) as u8 & 0xFF;
store<u8>(addr + i, b);
}
let responseAddr = addr + 4;
for (let i = 0; i < len; i++) {
let b: u8 = bb[i];
store<u8>(responseAddr + i, b);
}
memory.free(changetype<usize>(bb.buffer));
memory.free(changetype<usize>(bb));
return addr;
}
export function writeResponseString(response: string): usize {
let strLen: usize = response.length;
let addr = memory.allocate(strLen + 4);
for (let i = 0; i < 4; i++) {
let b: u8 = (strLen >> i * 8) as u8 & 0xFF;
store<u8>(addr + i, b);
}
let strAddr = addr + 4;
for (let i = 0; i < strLen; i++) {
let b: u8 = response.charCodeAt(i) as u8;
store<u8>(strAddr + i, b);
}
memory.free(changetype<usize>(response));
return addr;
}
export function stringHandler(ptr: usize, size: usize, handler: (request: string) => string): usize {
let strRequest = readRequestString(ptr, size);
let result = handler(strRequest);
let responseAddr = writeResponseString(result);
memory.free(ptr);
memory.free(changetype<usize>(strRequest));
return responseAddr;
}
export function bytesHandler(ptr: usize, size: usize, handler: (request: Uint8Array) => Uint8Array): usize {
let bytesRequest = readRequestBytes(ptr, size);
let result = handler(bytesRequest);
let responseAddr = writeResponseBytes(result);
memory.free(ptr);
memory.free(changetype<usize>(bytesRequest));
return responseAddr;
}

6
assembly/tsconfig.json Normal file
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{
"extends": "../node_modules/assemblyscript/std/assembly.json",
"include": [
"./**/*.ts"
]
}

155
package-lock.json generated Normal file
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{
"name": "assemblyscript-sdk",
"version": "1.0.0",
"lockfileVersion": 1,
"requires": true,
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"dev": true
},
"assemblyscript": {
"version": "github:AssemblyScript/assemblyscript#36040d5b5312f19a025782b5e36663823494c2f3",
"from": "github:AssemblyScript/assemblyscript",
"dev": true,
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}

26
package.json Normal file
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{
"name": "assemblyscript-sdk",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1",
"asbuild:untouched": "asc assembly/index.ts -b build/untouched.wasm -t build/untouched.wat --sourceMap --validate --debug",
"asbuild:optimized": "asc assembly/index.ts -b build/optimized.wasm -t build/optimized.wat --sourceMap --validate --optimize",
"asbuild": "npm run asbuild:untouched && npm run asbuild:optimized"
},
"repository": {
"type": "git",
"url": "git+https://github.com/fluencelabs/assemblyscript-sdk.git"
},
"keywords": [],
"author": "",
"license": "Apache-2.0",
"bugs": {
"url": "https://github.com/fluencelabs/assemblyscript-sdk/issues"
},
"homepage": "https://github.com/fluencelabs/assemblyscript-sdk#readme",
"devDependencies": {
"assemblyscript": "github:AssemblyScript/assemblyscript"
}
}