init

2025-05-19 20:36:21 -05:00
commit f5303487be
1865 changed files with 260387 additions and 0 deletions
@@ -0,0 +1,49 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.NumberCoder = void 0;
+const index_js_1 = require("../../utils/index.js");
+const typed_js_1 = require("../typed.js");
+const abstract_coder_js_1 = require("./abstract-coder.js");
+const BN_0 = BigInt(0);
+const BN_1 = BigInt(1);
+const BN_MAX_UINT256 = BigInt("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
+/**
+ *  @_ignore
+ */
+class NumberCoder extends abstract_coder_js_1.Coder {
+    size;
+    signed;
+    constructor(size, signed, localName) {
+        const name = ((signed ? "int" : "uint") + (size * 8));
+        super(name, name, localName, false);
+        (0, index_js_1.defineProperties)(this, { size, signed }, { size: "number", signed: "boolean" });
+    }
+    defaultValue() {
+        return 0;
+    }
+    encode(writer, _value) {
+        let value = (0, index_js_1.getBigInt)(typed_js_1.Typed.dereference(_value, this.type));
+        // Check bounds are safe for encoding
+        let maxUintValue = (0, index_js_1.mask)(BN_MAX_UINT256, abstract_coder_js_1.WordSize * 8);
+        if (this.signed) {
+            let bounds = (0, index_js_1.mask)(maxUintValue, (this.size * 8) - 1);
+            if (value > bounds || value < -(bounds + BN_1)) {
+                this._throwError("value out-of-bounds", _value);
+            }
+            value = (0, index_js_1.toTwos)(value, 8 * abstract_coder_js_1.WordSize);
+        }
+        else if (value < BN_0 || value > (0, index_js_1.mask)(maxUintValue, this.size * 8)) {
+            this._throwError("value out-of-bounds", _value);
+        }
+        return writer.writeValue(value);
+    }
+    decode(reader) {
+        let value = (0, index_js_1.mask)(reader.readValue(), this.size * 8);
+        if (this.signed) {
+            value = (0, index_js_1.fromTwos)(value, this.size * 8);
+        }
+        return value;
+    }
+}
+exports.NumberCoder = NumberCoder;
+//# sourceMappingURL=number.js.map