fix fee rpc to allow tx_blob

hook-api-examples/accept/pay.js

@@ -6,8 +6,8 @@ if (process.argv.length < 5)
 const secret  = process.argv[2];
 const amount = BigInt(process.argv[3]) * 1000000n
 const dest = process.argv[4];
-
-require('../utils-tests.js').TestRig('ws://localhost:6005').then(t=>
+const server = 'ws://tn4:6005'
+require('../utils-tests.js').TestRig(server).then(t=>
 {
     t.pay(secret, amount, dest).then(x=>
     {