Issue when using REST interface on local beacon chain node when using publicKey argument

[mragicl]

🐞 Bug Report

Description

When I request from the REST API using a publicKey as parameter, the API does not respond correctly. Using index as parameter works.

🔬 Minimal Reproduction

I run a local beacon node using the binaries provided with the prysm.sh script:

./prysm.sh beacon-chain --p2p-host-ip=$(curl -s ident.me) --min-sync-peers 7 --grpc-gateway-port 4001

Using the REST API on this local client does not work correctly when using a publicKey as parameter:

curl -X GET "http://127.0.0.1:4001/eth/v1alpha1/validator?publicKey=rF+aqQoQ/yo+XzDvJtj13PM21pRBpRGbgrHV+WXs9qaI9R2cWkShaCZspl6dt9eu" -H "accept: application/json"

it yields the error:

{"error":"Need to specify either validator index or public key in request","code":3,"message":"Need to specify either validator index or public key in request","details":[]}

running the same request on the public api provided by prylabs works:

curl -X GET "https://api.prylabs.net/eth/v1alpha1/validator?publicKey=rF+aqQoQ/yo+XzDvJtj13PM21pRBpRGbgrHV+WXs9qaI9R2cWkShaCZspl6dt9eu" -H "accept: application/json"
{
 "publicKey": "rF+aqQoQ/yo+XzDvJtj13PM21pRBpRGbgrHV+WXs9qaI9R2cWkShaCZspl6dt9eu",
 "withdrawalCredentials": "ACTB2D3ARp4zBVwE4/r5rI44lrtwCLFPzjJjdP9nE5g=",
 "effectiveBalance": "32000000000",
 "slashed": false,
 "activationEligibilityEpoch": "0",
 "activationEpoch": "0",
 "exitEpoch": "18446744073709551615",
 "withdrawableEpoch": "18446744073709551615"
}

Also using the index works locally:

curl -X GET "http://127.0.0.1:4001/eth/v1alpha1/validator?index=674" -H "accept: application/json"

{"publicKey":"rF+aqQoQ/yo+XzDvJtj13PM21pRBpRGbgrHV+WXs9qaI9R2cWkShaCZspl6dt9eu","withdrawalCredentials":"ACTB2D3ARp4zBVwE4/r5rI44lrtwCLFPzjJjdP9nE5g=","effectiveBalance":"32000000000","slashed":false,"activationEligibilityEpoch":"0","activationEpoch":"0","exitEpoch":"18446744073709551615","withdrawableEpoch":"18446744073709551615"}

🌍 Your Environment

Operating System:

lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04.4 LTS
Release:	18.04
Codename:	bionic

What version of Prysm are you running? (Which release)

binary, beacon-chain-v1.0.0-alpha.5-linux-amd64

[prestonvanloon]

Looking at this now.

[prestonvanloon]

@mragicl, I updated a few dependencies and got this to work only when the parameter is URL encoded.

Try http://127.0.0.1:4001/eth/v1alpha1/validator?publicKey=F%2BaqQoQ%2Fyo%2BXzDvJtj13PM21pRBpRGbgrHV%2BWXs9qaI9R2cWkShaCZspl6dt9eu with PR #5657

[rauljordan]

Closing @mragicl , please let us know if this resolves your issue otherwise we can reopen