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- Removed all Snow consensus code and dependencies - Replaced snow.Context with consensuscontext.Context - Updated all imports and references - Added comprehensive test suites for core packages - Fixed all build errors and test failures - Achieved 100% test pass rate (21 packages passing) - Improved test coverage to 30% Breaking changes: - Removed snow package entirely - Changed VM interface to use VMState instead of snow.State - Updated ChainContext structure Tests added: - core/app_error_test.go: 100% coverage - core/bootstrap_test.go: comprehensive concurrent tests - core/health_test.go: full integration tests - validators/validators_test.go: complete interface tests - version/version_test.go: 100% coverage - codec/codec_test.go: marshal/unmarshal tests - context/context_test.go: all functions tested
thenify
Promisify a callback-based function using any-promise.
- Preserves function names
- Uses a native promise implementation if available and tries to fall back to a promise implementation such as
bluebird - Converts multiple arguments from the callback into an
Array, also support change the behavior byoptions.multiArgs - Resulting function never deoptimizes
- Supports both callback and promise style
An added benefit is that thrown errors in that async function will be caught by the promise!
API
fn = thenify(fn, options)
Promisifies a function.
Options
options are optional.
-
options.withCallback- support both callback and promise style, default tofalse. -
options.multiArgs- change the behavior when callback have multiple arguments. default totrue.true- converts multiple arguments to an arrayfalse- always use the first argumentArray- converts multiple arguments to an object with keys provided inoptions.multiArgs
-
Turn async functions into promises
var thenify = require('thenify');
var somethingAsync = thenify(function somethingAsync(a, b, c, callback) {
callback(null, a, b, c);
});
- Backward compatible with callback
var thenify = require('thenify');
var somethingAsync = thenify(function somethingAsync(a, b, c, callback) {
callback(null, a, b, c);
}, { withCallback: true });
// somethingAsync(a, b, c).then(onFulfilled).catch(onRejected);
// somethingAsync(a, b, c, function () {});
or use thenify.withCallback()
var thenify = require('thenify').withCallback;
var somethingAsync = thenify(function somethingAsync(a, b, c, callback) {
callback(null, a, b, c);
});
// somethingAsync(a, b, c).then(onFulfilled).catch(onRejected);
// somethingAsync(a, b, c, function () {});
- Always return the first argument in callback
var thenify = require('thenify');
var promise = thenify(function (callback) {
callback(null, 1, 2, 3);
}, { multiArgs: false });
// promise().then(function onFulfilled(value) {
// assert.equal(value, 1);
// });
- Converts callback arguments to an object
var thenify = require('thenify');
var promise = thenify(function (callback) {
callback(null, 1, 2, 3);
}, { multiArgs: [ 'one', 'tow', 'three' ] });
// promise().then(function onFulfilled(value) {
// assert.deepEqual(value, {
// one: 1,
// tow: 2,
// three: 3
// });
// });