[bug]: amt_msat ignored when sending a payment #10541
Description
Pre-Submission Checklist
- I have searched the existing issues and believe this is a new bug.
- I am not asking a question about how to use lnd, but reporting a bug (otherwise open a discussion).
LND Version
v0.19.3-beta
LND Configuration
Not relevant
Backend Version
bitcoin:29.1
Backend Configuration
Not relevant
OS/Distribution
Docker
Bug Details & Steps to Reproduce
It seems LND ignores "amt_msat":"1100000" while sending payment through rest (/v1/channels/transactions)
In this example, a BOLT11 of 1000000 msat needs to be paid, and I want to send 1100000 instead.
But only 1000000 is actually sent.
Request
{
"amt_msat":"1100000",
"payment_request":"lnbcrt10u1p5crgwjpp5gwfh8wfw4gjy6q909zus6xr9zr6unh3y2z88wndk2sg0umh3pyhqdq9dpjhjcqzzsxqzpusp5lyd4r5xsflg4m6zd4zhd0yr2exnka2s0dmug0cdtvj4snc30t70q9qxpqysgqe44yup6yhsmnrdhnkwhj55ed92j3kh0gvyagnpdguj3324nssg23au94wg3xq5s5hfyvhmxdfe53mzfns7aere4dpryypnct0kqedpcqh0y665",
"allow_self_payment":true
}Response:
{
"payment_error": "",
"payment_preimage": "OYHcks3KmuEnZKBGOPbTdqg3do/Loyb+HX6mEhwAyKk=",
"payment_route": {
"total_time_lock": 467,
"total_fees": "0",
"total_amt": "1000",
"hops": [
{
"chan_id": "409018325598208",
"chan_capacity": "16777215",
"amt_to_forward": "1000",
"fee": "0",
"expiry": 461,
"amt_to_forward_msat": "1000011",
"fee_msat": "11",
"pub_key": "0216d3c775d25d201a381514760b69a433b0cd347e9fc98c4c40f4f89bbff3fd86",
"tlv_payload": true,
"mpp_record": null,
"amp_record": null,
"custom_records": {},
"metadata": "",
"blinding_point": "",
"encrypted_data": "",
"total_amt_msat": "0"
},
{
"chan_id": "123145302376448",
"chan_capacity": "16777215",
"amt_to_forward": "1000",
"fee": "0",
"expiry": 455,
"amt_to_forward_msat": "1000000",
"fee_msat": "11",
"pub_key": "029a7c272059a007ac88c99593b91c8b1f77bb9134c32675a5c2837f90c540948f",
"tlv_payload": true,
"mpp_record": null,
"amp_record": null,
"custom_records": {},
"metadata": "",
"blinding_point": "",
"encrypted_data": "",
"total_amt_msat": "0"
},
{
"chan_id": "124244814004224",
"chan_capacity": "16777215",
"amt_to_forward": "1000",
"fee": "0",
"expiry": 455,
"amt_to_forward_msat": "1000000",
"fee_msat": "0",
"pub_key": "02b7b767780e0949d09d08998144d3b1fce8bc06fcea580a76a7d7889105210b98",
"tlv_payload": true,
"mpp_record": {
"payment_addr": "+RtR0NBP0V3oTaiu15Bqyaduqg9u+Ifhq2SrCeIvX54=",
"total_amt_msat": "1000000"
},
"amp_record": null,
"custom_records": {},
"metadata": "",
"blinding_point": "",
"encrypted_data": "",
"total_amt_msat": "0"
}
],
"total_fees_msat": "22",
"total_amt_msat": "1000022",
"first_hop_amount_msat": "1000022",
"custom_channel_data": ""
},
"payment_hash": "Q5NzuS6qJE0Aryi5DRhlEPXJ3iRQjndNtlQQ/m7xCS4="
}Expected Behavior
If the user wants to over pay the BOLT11, he should be able to use amt_msat for this.
Debug Information
No response
Environment
No response