From 41e0b9475214cddc05e20b13f8702ab3fe8da48c Mon Sep 17 00:00:00 2001
From: Bryan Chen <xlchen1291@gmail.com>
Date: Fri, 19 Aug 2022 14:05:04 +1200
Subject: [PATCH] update

---
 package.json               |  1 +
 src/log.ts                 | 18 +++++++++++++-----
 src/scripts/top-holders.ts | 35 +++++++++++++++++++++++++++++++++++
 yarn.lock                  | 37 +++++++++++++++++++++++++++++++++++++
 4 files changed, 86 insertions(+), 5 deletions(-)
 create mode 100644 src/scripts/top-holders.ts

diff --git a/package.json b/package.json
index 422697a..37f032e 100644
--- a/package.json
+++ b/package.json
@@ -38,6 +38,7 @@
     "@acala-network/sdk-wallet": "^4.1.6-29",
     "@acala-network/types": "^4.1.6-29",
     "@fast-csv/format": "^4.3.5",
+    "@fast-csv/parse": "^4.3.6",
     "@open-web3/util": "^2.0.1",
     "@polkadot/api": "^9.1.1",
     "async": "^3.2.4",
diff --git a/src/log.ts b/src/log.ts
index 9b13dc1..4b13578 100644
--- a/src/log.ts
+++ b/src/log.ts
@@ -8,6 +8,10 @@ import BN from 'bn.js'
 
 import { config } from './runner'
 
+let defaultPrecision = 3
+
+export const setDefaultPrecision = (precision: number) => (defaultPrecision = precision)
+
 export const logFormat = (x: any): any => {
   if (x == null) {
     return x
@@ -45,7 +49,11 @@ export const formatDecimal = (x: number | BN | string | FixedPointNumber, length
   return Math.round(n * 10 ** length) / 10 ** length
 }
 
-export const formatBalance = (x: number | BN | string | FixedPointNumber | bigint | undefined | null, decimal = 12) => {
+export const formatBalance = (
+  x: number | BN | string | FixedPointNumber | bigint | undefined | null,
+  decimal = 12,
+  precision = defaultPrecision
+) => {
   let n
   if (x == null) {
     return '-'
@@ -60,17 +68,17 @@ export const formatBalance = (x: number | BN | string | FixedPointNumber | bigin
 
   if (config.output === 'console') {
     if (n > 1e9) {
-      return `${formatDecimal(n / 1e9, 2)}B`
+      return `${formatDecimal(n / 1e9, precision)}B`
     }
     if (n > 1e6) {
-      return `${formatDecimal(n / 1e6, 2)}M`
+      return `${formatDecimal(n / 1e6, precision)}M`
     }
     if (n > 1e3) {
-      return `${formatDecimal(n / 1e3, 2)}K`
+      return `${formatDecimal(n / 1e3, precision)}K`
     }
   }
 
-  return formatDecimal(n).toString()
+  return formatDecimal(n, precision).toString()
 }
 
 export const table = (data: any) => {
diff --git a/src/scripts/top-holders.ts b/src/scripts/top-holders.ts
new file mode 100644
index 0000000..8f7366f
--- /dev/null
+++ b/src/scripts/top-holders.ts
@@ -0,0 +1,35 @@
+import '@acala-network/types'
+import '@acala-network/types/interfaces/types-lookup'
+
+import { fetchEntries } from '@open-web3/util'
+
+import { formatBalance, table } from '../log'
+import runner from '../runner'
+
+runner()
+  .requiredNetwork(['acala'])
+  .atBlock()
+  .withApiPromise()
+  .run(async ({ apiAt }) => {
+    const tokens = [] as { account: string; amount: bigint }[]
+    await fetchEntries(
+      (startKey) =>
+        apiAt.query.tokens.accounts.entriesPaged({
+          args: [],
+          pageSize: 500,
+          startKey,
+        }),
+      (key, data) => {
+        const acc = key.args[0].toString()
+        const token = key.args[1].toString()
+        if (token === '{"token":"AUSD"}') {
+          const val = data.free.toBigInt()
+          tokens.push({ account: acc, amount: val })
+        }
+      }
+    )
+
+    tokens.sort((a, b) => Number(b.amount - a.amount))
+
+    table(tokens.map((x) => ({ account: x.account, amount: formatBalance(x.amount) })))
+  })
diff --git a/yarn.lock b/yarn.lock
index 1c8a7df..9fd7b42 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1082,6 +1082,21 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@fast-csv/parse@npm:^4.3.6":
+  version: 4.3.6
+  resolution: "@fast-csv/parse@npm:4.3.6"
+  dependencies:
+    "@types/node": ^14.0.1
+    lodash.escaperegexp: ^4.1.2
+    lodash.groupby: ^4.6.0
+    lodash.isfunction: ^3.0.9
+    lodash.isnil: ^4.0.0
+    lodash.isundefined: ^3.0.1
+    lodash.uniq: ^4.5.0
+  checksum: 15434d2bc7a71af63a4cc45352a58f6edd69d464233fd6f9a808a8efb9ae326832b4f78d1ddcf9fc3bbf166e9c1dce19671c4de40371a926d60cb7c5a8bad08a
+  languageName: node
+  linkType: hard
+
 "@gar/promisify@npm:^1.1.3":
   version: 1.1.3
   resolution: "@gar/promisify@npm:1.1.3"
@@ -5058,6 +5073,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"lodash.groupby@npm:^4.6.0":
+  version: 4.6.0
+  resolution: "lodash.groupby@npm:4.6.0"
+  checksum: e2d4d13d12790a1cacab3f5f120b7c072a792224e83b2f403218866d18efde76024b2579996dfebb230a61ce06469332e16639103669a35a605287e19ced6b9b
+  languageName: node
+  linkType: hard
+
 "lodash.isboolean@npm:^3.0.3":
   version: 3.0.3
   resolution: "lodash.isboolean@npm:3.0.3"
@@ -5086,6 +5108,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"lodash.isundefined@npm:^3.0.1":
+  version: 3.0.1
+  resolution: "lodash.isundefined@npm:3.0.1"
+  checksum: 52b4d99a47bd41daa4e2860200258f56b1f2c99263c11a5f607fbbd91d6447fe674bdafc172735d099908a09136d4a0f98cf79715e38ca4b490fdda7162be289
+  languageName: node
+  linkType: hard
+
 "lodash.merge@npm:^4.6.2":
   version: 4.6.2
   resolution: "lodash.merge@npm:4.6.2"
@@ -5093,6 +5122,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"lodash.uniq@npm:^4.5.0":
+  version: 4.5.0
+  resolution: "lodash.uniq@npm:4.5.0"
+  checksum: a4779b57a8d0f3c441af13d9afe7ecff22dd1b8ce1129849f71d9bbc8e8ee4e46dfb4b7c28f7ad3d67481edd6e51126e4e2a6ee276e25906d10f7140187c392d
+  languageName: node
+  linkType: hard
+
 "lodash@npm:^4.17.20, lodash@npm:^4.17.21":
   version: 4.17.21
   resolution: "lodash@npm:4.17.21"
@@ -6248,6 +6284,7 @@ __metadata:
     "@acala-network/sdk-wallet": ^4.1.6-29
     "@acala-network/types": ^4.1.6-29
     "@fast-csv/format": ^4.3.5
+    "@fast-csv/parse": ^4.3.6
     "@open-web3/util": ^2.0.1
     "@polkadot/api": ^9.1.1
     "@types/async": ^3.2.15