Internal server error on some gaia API calls

[feri42]

Summary of Bug

Calling the Gaia-Lite for Cosmos API calls:

POST /staking/delegators/{delegatorAddr}/delegations
POST /staking/delegators/{delegatorAddr}/unbonding_delegations
POST /staking/delegators/{delegatorAddr}/redelegations

with simulate=true or with the query paramter generate_only=true returns a Internal Server Error with the following response body:

{
  "jsonrpc": "2.0",
  "id": "",
  "error": {
    "code": -32603,
    "message": "Internal error",
    "data": "runtime error: invalid memory address or nil pointer dereference"
  }
}

Version

Gaiacli and gaiad version is 2.0.7

Steps to Reproduce

Unpack the attached body.json file and run:

curl -X POST -H "Content-Type: application/json" https://<gaiad>/staking/delegators/cosmos1j4heycy25ersvld236f3ckpn9avjjt4p3tmg23/delegations -d @body.json

body.json.gz

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For Admin Use

• Not duplicate issue
• Appropriate labels applied
• Appropriate contributors tagged
• Contributor assigned/self-assigned

[okwme]

Thanks for the details report @feri42 I'm moving this issue over to the SDK cosmos/cosmos-sdk#5869

[okwme]

Hi @feri42 looks like @jgimeno has identified a problem with your original transaction that was causing the error:
cosmos/cosmos-sdk#5869 (comment)

[feri42]

Yes, thank you @okwme . The issue has been resolved for me. This one can be closed and re-classified as not-a-bug. It is a documentation issue.