Add typings for sha256

types/sha256/index.d.ts

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+// Type definitions for sha256 0.2
+// Project: https://github.com/cryptocoinjs/sha256
+// Definitions by: Nathan Hardy <https://github.com/nhardy>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+/// <reference types="node" />
+
+type Message = string | Buffer | number[];
+
+interface Sha256 {
+    (message: Message, options?: { asString: true }): string;
+    (message: Message, options: { asBytes: true }): number[];
+}
+
+interface Sha256WithX2 extends Sha256 {
+    x2: Sha256;
+}
+
+declare const sha256: Sha256WithX2;
+
+export = sha256;
+
+export as namespace sha256;

types/sha256/sha256-tests.ts

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+import sha256 = require("sha256");
+
+const test1: string = sha256('message');
+const test2: number[] = sha256('message', { asBytes: true });
+const test3: string = sha256('message', { asString: true });
+const test4: string = sha256(Buffer.from('message'));
+const test5: string = sha256(Array.from(Buffer.from('message')));
+const test6: string = sha256.x2('message');
+const test7: number[] = sha256.x2('message', { asBytes: true });
+const test8: string = sha256.x2('message', { asString: true });

types/sha256/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "sha256-tests.ts"
+    ]
+}

types/sha256/tslint.json

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+{ "extends": "dtslint/dt.json" }