From e1ec010359dc91f22f64f9f7b90df8a1201f2716 Mon Sep 17 00:00:00 2001
From: Pegasus <83475418+0xp3gasus@users.noreply.github.com>
Date: Fri, 2 Feb 2024 13:36:32 +0100
Subject: [PATCH] 1026 Thorchain util functions (#1027)

* Util functions

* Changeset version file

* Typo
---
 .changeset/slimy-balloons-tie.md        |  5 +++
 packages/xchain-thorchain/package.json  |  1 +
 packages/xchain-thorchain/src/client.ts | 17 ++-------
 packages/xchain-thorchain/src/utils.ts  | 50 ++++++++++++++++++++++++-
 yarn.lock                               | 18 ++++-----
 5 files changed, 67 insertions(+), 24 deletions(-)
 create mode 100644 .changeset/slimy-balloons-tie.md

diff --git a/.changeset/slimy-balloons-tie.md b/.changeset/slimy-balloons-tie.md
new file mode 100644
index 000000000..14a777518
--- /dev/null
+++ b/.changeset/slimy-balloons-tie.md
@@ -0,0 +1,5 @@
+---
+'@xchainjs/xchain-thorchain': patch
+---
+
+getDenom, getChainId and getPrefix util functions
diff --git a/packages/xchain-thorchain/package.json b/packages/xchain-thorchain/package.json
index 02d456266..6e3c18069 100644
--- a/packages/xchain-thorchain/package.json
+++ b/packages/xchain-thorchain/package.json
@@ -39,6 +39,7 @@
     "@xchainjs/xchain-client": "0.16.1",
     "@xchainjs/xchain-cosmos-sdk": "0.2.1",
     "@xchainjs/xchain-util": "0.13.2",
+    "axios": "1.3.6",
     "bignumber.js": "9.0.0",
     "protobufjs": "6.11.4"
   },
diff --git a/packages/xchain-thorchain/src/client.ts b/packages/xchain-thorchain/src/client.ts
index d88348677..b0e33aeb0 100644
--- a/packages/xchain-thorchain/src/client.ts
+++ b/packages/xchain-thorchain/src/client.ts
@@ -17,7 +17,7 @@ import {
   bech32ToBase64,
   makeClientPath,
 } from '@xchainjs/xchain-cosmos-sdk'
-import { Address, Asset, assetFromString, assetToString, isSynthAsset } from '@xchainjs/xchain-util'
+import { Address, Asset, assetFromString } from '@xchainjs/xchain-util'
 import { BigNumber } from 'bignumber.js'
 import { TxRaw } from 'cosmjs-types/cosmos/tx/v1beta1/tx'
 
@@ -32,7 +32,7 @@ import {
   defaultClientConfig,
 } from './const'
 import { DepositParam, DepositTx, TxOfflineParams } from './types'
-import { getDefaultExplorers, getExplorerAddressUrl, getExplorerTxUrl, isAssetRuneNative as isAssetRune } from './utils'
+import { getDefaultExplorers, getDenom, getExplorerAddressUrl, getExplorerTxUrl, getPrefix } from './utils'
 
 /**
  * Interface for custom Thorchain client
@@ -70,14 +70,7 @@ export class Client extends CosmosSDKClient implements ThorchainClient {
    * @returns the address prefix
    */
   protected getPrefix(network: Network): string {
-    switch (network) {
-      case Network.Mainnet:
-        return 'thor'
-      case Network.Stagenet:
-        return 'sthor'
-      case Network.Testnet:
-        return 'tthor'
-    }
+    return getPrefix(network)
   }
 
   /**
@@ -139,9 +132,7 @@ export class Client extends CosmosSDKClient implements ThorchainClient {
    * @returns {string} The denomination of the given asset.
    */
   public getDenom(asset: Asset): string | null {
-    if (isAssetRune(asset)) return RUNE_DENOM
-    if (isSynthAsset(asset)) return assetToString(asset).toLowerCase()
-    return asset.symbol.toLowerCase()
+    return getDenom(asset)
   }
 
   /**
diff --git a/packages/xchain-thorchain/src/utils.ts b/packages/xchain-thorchain/src/utils.ts
index 2d5f8d4b9..d3acd93e7 100644
--- a/packages/xchain-thorchain/src/utils.ts
+++ b/packages/xchain-thorchain/src/utils.ts
@@ -1,7 +1,8 @@
 import { Network, RootDerivationPaths, TxHash } from '@xchainjs/xchain-client'
-import { Address, Asset, assetToString } from '@xchainjs/xchain-util'
+import { Address, Asset, assetToString, isSynthAsset } from '@xchainjs/xchain-util'
+import axios from 'axios'
 
-import { AssetRuneNative as AssetRUNE, DEFAULT_EXPLORER_URL } from './const'
+import { AssetRuneNative as AssetRUNE, DEFAULT_EXPLORER_URL, RUNE_DENOM } from './const'
 
 export const getDefaultClientUrls = (): Record<Network, string> => {
   return {
@@ -41,3 +42,48 @@ export const getExplorerTxUrl = (tx: TxHash): Record<Network, string> => ({
  * @returns {boolean} `true` or `false`
  */
 export const isAssetRuneNative = (asset: Asset): boolean => assetToString(asset) === assetToString(AssetRUNE)
+
+/**
+ * Get denomination from Asset
+ *
+ * @param {Asset} asset
+ * @returns {string} The denomination of the given asset.
+ */
+export const getDenom = (asset: Asset) => {
+  if (isAssetRuneNative(asset)) return RUNE_DENOM
+  if (isSynthAsset(asset)) return assetToString(asset).toLowerCase()
+  return asset.symbol.toLowerCase()
+}
+
+/**
+ * Get chain id from node url
+ *
+ * @param {string} nodeUrl
+ * @returns the chainId
+ */
+export const getChainId = async (nodeUrl: string): Promise<string> => {
+  /**
+   * TODO: To avoid axios dependency. ChainId can be retrieved from the Stargate client, to achieve this,
+   * getChainId has to work with JSON-RPC endpoint instead of REST endpoints
+   */
+  const { data } = await axios.get<{ default_node_info?: { network?: string } }>(
+    `${nodeUrl}/cosmos/base/tendermint/v1beta1/node_info`,
+  )
+  return data?.default_node_info?.network || Promise.reject('Could not parse chain id')
+}
+
+/**
+ * Get address prefix by network
+ * @param {Network} network The network of which return the prefix
+ * @returns the address prefix
+ */
+export const getPrefix = (network: Network): string => {
+  switch (network) {
+    case Network.Mainnet:
+      return 'thor'
+    case Network.Stagenet:
+      return 'sthor'
+    case Network.Testnet:
+      return 'tthor'
+  }
+}
diff --git a/yarn.lock b/yarn.lock
index d8c335a7e..ab38b47f6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3578,6 +3578,15 @@ axios@0.27.2:
     follow-redirects "^1.14.9"
     form-data "^4.0.0"
 
+axios@1.3.6, axios@^1.0.0, axios@^1.3.6:
+  version "1.3.6"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-1.3.6.tgz#1ace9a9fb994314b5f6327960918406fa92c6646"
+  integrity sha512-PEcdkk7JcdPiMDkvM4K6ZBRYq9keuVJsToxm2zQIM70Qqo2WHTdJZMXcG9X+RmRp2VPNUQC8W1RAGbgt6b1yMg==
+  dependencies:
+    follow-redirects "^1.15.0"
+    form-data "^4.0.0"
+    proxy-from-env "^1.1.0"
+
 axios@^0.19.0:
   version "0.19.2"
   resolved "https://registry.yarnpkg.com/axios/-/axios-0.19.2.tgz#3ea36c5d8818d0d5f8a8a97a6d36b86cdc00cb27"
@@ -3599,15 +3608,6 @@ axios@^0.23.0:
   dependencies:
     follow-redirects "^1.14.4"
 
-axios@^1.0.0, axios@^1.3.6:
-  version "1.3.6"
-  resolved "https://registry.yarnpkg.com/axios/-/axios-1.3.6.tgz#1ace9a9fb994314b5f6327960918406fa92c6646"
-  integrity sha512-PEcdkk7JcdPiMDkvM4K6ZBRYq9keuVJsToxm2zQIM70Qqo2WHTdJZMXcG9X+RmRp2VPNUQC8W1RAGbgt6b1yMg==
-  dependencies:
-    follow-redirects "^1.15.0"
-    form-data "^4.0.0"
-    proxy-from-env "^1.1.0"
-
 b4a@^1.6.0:
   version "1.6.3"
   resolved "https://registry.yarnpkg.com/b4a/-/b4a-1.6.3.tgz#cce6e8a2f0d0774e5fe8062086827e979970266d"