read accounts mapping

doc/case-studies/xycloans/ingest.js

@@ -13,9 +13,25 @@
 
 const fs = require('fs')
 const assert = require('assert')
+const { execSync } = require('child_process')
 
 network = 'testnet'
 
+// Since stellar-cli does not let us sign a transaction by supplying a public key,
+// we have to extract account ids. Shall we add a command to solarkraft?
+function readOrFindAccounts() {
+    const accountsFile = 'accounts.json'
+    if (!fs.existsSync(accountsFile)) {
+        execSync('solarkraft accounts')
+    }
+    try {
+        return JSON.parse(fs.readFileSync(accountsFile, 'utf8'))
+    } catch (err) {
+        console.error(`Error reading ${accountsFile}: ${err.message}`)
+        process.exit(1)
+    }
+}
+
 // check that we have at least two arguments
 const args = process.argv.slice(2)
 if (args.length < 2) {
@@ -40,26 +56,28 @@ const call = trace.states[1].last_tx.call
 const callType = call.tag
 assert(callType !== undefined, 'traces.states[1].last_tx.call.tag is undefined')
 
+const accounts = readOrFindAccounts()
+
 // produce the arguments for the xycloans transaction
 let signer
 let callArgs
 switch (callType) {
     case 'Deposit': {
-        signer = call.value.from
+        signer = accounts[call.value.from]
         const amount = call.value.amount["#bigint"]
         callArgs = `deposit --from ${call.value.from} --amount ${amount}`
         break
     }
 
     case 'Borrow': {
-        signer = call.value.receiver_id
+        signer = accounts[call.value.receiver_id]
         const amount = call.value.amount["#bigint"]
         callArgs = `borrow --receiver_id ${call.value.receiver_id} --amount ${amount}`
         break
     }
 
     case 'UpdateFeeRewards':
-        signer = call.value.addr
+        signer = accounts[call.value.addr]
         callArgs = `update_fee_rewards --addr ${signer}`
         break
 
@@ -68,6 +86,8 @@ switch (callType) {
         process.exit(1)
 }
 
+assert(signer !== undefined, 'signer is undefined')
+
 // produce the command for stellar-cli
 const cmd =
     `stellar contract invoke --id ${state.contractId} --source ${signer} --network ${network} -- ${callArgs}`

solarkraft/src/main.ts

@@ -12,6 +12,7 @@ import { verify } from './verify.js'
 import { list } from './list.js'
 import { SOLARKRAFT_DEFAULT_HOME } from './globals.js'
 import { aggregate } from './aggregate.js'
+import { extractAccounts } from './accounts.js'
 
 // The default options present in every command
 const defaultOpts = (yargs: any) =>
@@ -136,12 +137,28 @@ const listCmd = {
     handler: list,
 }
 
+// accounts: construct an accounts mapping
+const accountsCmd = {
+    command: ['accounts'],
+    desc: 'construct an accounts mapping, needed for input generation',
+    builder: (yargs: any) =>
+        defaultOpts(yargs)
+            .option('out', {
+                desc: 'The name of the file to output the accounts mapping to',
+                type: 'string',
+                require: false,
+                default: 'accounts.json',
+            }),
+    handler: extractAccounts,
+}
+
 function main() {
     return yargs(process.argv.slice(2))
         .command(fetchCmd)
         .command(aggregateCmd)
         .command(verifyCmd)
         .command(listCmd)
+        .command(accountsCmd)
         .demandCommand(1)
         .version(version)
         .strict()