Refactor built-in constants.

src.ts/constants/addresses.ts

@@ -2,5 +2,5 @@
 /**
  *  A constant for the zero address.
  */
-export const ZeroAddress = "0x0000000000000000000000000000000000000000";
+export const ZeroAddress: string = "0x0000000000000000000000000000000000000000";
 

src.ts/constants/hashes.ts

@@ -1,5 +1,5 @@
 /**
  *  A constant for the zero hash.
  */
-export const ZeroHash = "0x0000000000000000000000000000000000000000000000000000000000000000";
+export const ZeroHash: string = "0x0000000000000000000000000000000000000000000000000000000000000000";
 

src.ts/constants/index.ts

@@ -1,10 +1,12 @@
+/**
+ *  Some common constants useful for Ethereum.
+ *
+ *  @_section: api/constants: Constants  [constants]
+ */
+
 export { ZeroAddress } from "./addresses.js";
 export { ZeroHash } from "./hashes.js";
 export {
-    NegativeOne,
-    Zero,
-    One,
-    Two,
     N,
     WeiPerEther,
     MaxUint256,

src.ts/constants/numbers.ts

@@ -1,57 +1,25 @@
 
-/**
- *  A constant for the BigInt of -1.
- */
-const NegativeOne = BigInt(-1);
-
-/**
- *  A constant for the BigInt of 0.
- */
-const Zero = BigInt(0);
-
-/**
- *  A constant for the BigInt of 1.
- */
-const One = BigInt(1);
-
-/**
- *  A constant for the BigInt of 2.
- */
-const Two = BigInt(2);
-
 /**
  *  A constant for the order N for the secp256k1 curve.
  */
-const N = BigInt("0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141");
+export const N: bigint = BigInt("0xfffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141");
 
 /**
  *  A constant for the number of wei in a single ether.
  */
-const WeiPerEther = BigInt("1000000000000000000");
+export const WeiPerEther: bigint = BigInt("1000000000000000000");
 
 /**
  *  A constant for the maximum value for a ``uint256``.
  */
-const MaxUint256 = BigInt("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
+export const MaxUint256: bigint = BigInt("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
 
 /**
  *  A constant for the minimum value for an ``int256``.
  */
-const MinInt256 = BigInt("0x8000000000000000000000000000000000000000000000000000000000000000") * NegativeOne;
+export const MinInt256: bigint = BigInt("0x8000000000000000000000000000000000000000000000000000000000000000") * BigInt(-1);
 
 /**
  *  A constant for the maximum value for an ``int256``.
  */
-const MaxInt256 = BigInt("0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");
-
-export {
-    NegativeOne,
-    Zero,
-    One,
-    Two,
-    N,
-    WeiPerEther,
-    MaxUint256,
-    MinInt256,
-    MaxInt256,
-};
+export const MaxInt256: bigint = BigInt("0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");

src.ts/constants/strings.ts

@@ -3,7 +3,7 @@
 /**
  *  A constant for the ether symbol (normalized using NFKC).
  */
-export const EtherSymbol = "\u039e";  // "\uD835\uDF63";
+export const EtherSymbol: string = "\u039e";  // "\uD835\uDF63";
 
 
-export const MessagePrefix = "\x19Ethereum Signed Message:\n";
+export const MessagePrefix: string = "\x19Ethereum Signed Message:\n";