Add block times (#1089)

* feat: add BlockTimes constant for average block times in milliseconds * Add blockchain times * changeset * minor version * feat: make blocktimes chain optional --------- Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com> Co-authored-by: towan <[email protected]>
thorswap · Nov 20, 2024 · 69e4ec4 · 69e4ec4
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diff --git a/.changeset/great-paws-impress.md b/.changeset/great-paws-impress.md
@@ -0,0 +1,5 @@
+---
+"@swapkit/helpers": minor
+---
+
+Add blockchain times
diff --git a/packages/swapkit/helpers/src/types/chains.ts b/packages/swapkit/helpers/src/types/chains.ts
@@ -119,6 +119,29 @@ export const BaseDecimal: Record<Chain, number> = {
   XRD: 18,
 };
 
+export const BlockTimes: Record<Partial<Chain>, number> = {
+  [Chain.Arbitrum]: 0.3,
+  [Chain.Avalanche]: 3,
+  [Chain.Base]: 2,
+  [Chain.BinanceSmartChain]: 3,
+  [Chain.Bitcoin]: 600,
+  [Chain.BitcoinCash]: 600,
+  [Chain.Chainflip]: 5,
+  [Chain.Cosmos]: 2,
+  [Chain.Dash]: 150,
+  [Chain.Dogecoin]: 600,
+  [Chain.Ethereum]: 12.5,
+  [Chain.Kujira]: 2.2,
+  [Chain.Litecoin]: 150,
+  [Chain.Maya]: 6,
+  [Chain.Optimism]: 2,
+  [Chain.Polkadot]: 6,
+  [Chain.Polygon]: 2.1,
+  [Chain.Radix]: 5,
+  [Chain.Solana]: 0.4,
+  [Chain.THORChain]: 6,
+};
+
 export type SubstrateChain = Chain.Polkadot | Chain.Chainflip;
 export const SubstrateChains = [Chain.Polkadot, Chain.Chainflip];