Collator Operation Guide

Generate Session Key And Bonding

1. Use RPC to generate an author ID and create/convert session keys by sending RPC calls to HTTP endpoints using the author_rotateKeys method in your terminal.

curl http://127.0.0.1:9933 -H \
"Content-Type:application/json;charset=utf-8" -d \
  '{
    "jsonrpc": "2.0",
    "id":1,
    "method": "author_rotateKeys",
    "params": []
  }'

2. Mapping Author IDs and setting session keys:

   1. Head to Polkadot.js

   2. Choose Developer-Extrinsics

   3. Select the account you want to be associated

   4. Choose authorMapping and addAssociation(authorId)

   5. Fill your author Id and submit transaction

1. Check the mapping settings:

   1. Head to Polkadot.js

   2. Choose Developer-Chain state

   3. Choose authorMapping and mappingWithDeposit

   4. Fill your author Id and submit your request, you will get your mapping infomation.

Get Candidate Pool Size

Add the candidate pool to get the candidate pool size, select Developer-Javascript in Polkadot.js.

// Simple script to get candidate pool size
const candidatePool = await api.query.parachainStaking.candidatePool();
console.log(`Candidate pool size is: ${candidatePool.length}`);

Join The Candidate Pool

1. Head to Polkadot.js

2. Choose Developer-Extrinsics

3. Select the account you want to be associated

4. Choose parachainStaking and joinCandidates

5. Fill your bond amount (in Pennock, which means you need to multiply 10^10, so the minimum number you should fill in is 640000000000) and candidate count which you can get from there

6. Submit this transaction and if it succeeds, you will join the candidate pool.

Leave Candidate Pool

If you want to leave candidate pool, you need to first schedule a request to leave the pool and wait for an exit delay(10 blocks), after this delay you can execute this request and stop working as a collator.

We also support temporarily leaving the candidate pool without unbonding your tokens.

Schedule Request to Leave Candidates

1. Head to Polkadot.js

2. Choose Developer-Extrinsics

3. Select the account you want to be associated

4. Choose parachainStaking and scheduleLeaveCandidates

5. Fill candidate count which you can get from there

6. Submit this transaction and if it succeeds, you need to wait out the exit delay before the request executes.

Execute Request to Leave Candidates

1. Head to Polkadot.js

2. Choose Developer-Extrinsics

3. Select the account you want to be associated

4. Choose parachainStaking and executeLeaveCandidates

5. Fill candidate delegation count which you can get from there

6. Submit this transaction and if it succeeds, you will stop working as a collator

Temporarily Leave the Candidate Pool

1. Head to Polkadot.js

2. Choose Developer-Extrinsics

3. Select the account you want to be associated

4. Choose parachainStaking and goOffline

5. Submit this transaction and if it succeeds, you wiil temporarily leave the candidate pool

Change Bond Amount

Bond More

1. Head to Polkadot.js

2. Choose Developer-Extrinsics

3. Select the account you want to be associated

4. Choose parachainStaking and candidateBondMore

5. Fill your increased amount (in Pennock, which means you need to multiply 10^10, so if you want to bond 10 ZTG more you should fill it in as 100000000000)

6. Submit the transaction

Bond Less

Same as leaving candidate pool, if you want to bond less, you need to first schedule a request and wait for an exit delay(10 blocks), after this delay you can execute this request and bond less.

Schedule Bond Less Request

1. Head to Polkadot.js

2. Choose Developer-Extrinsics

3. Select the account you want to be associated

4. Choose parachainStaking and scheduleCandidateBondLess

5. Enter your decreased amount (in Pennock, which means you need to multiply 10^10, so if you want to bond 10 ZTG less you should fill it in is 100000000000)

6. Submit this transaction and if it succeeds, you need to wait an exit delay to execute.

Execute Bond Less Request

1. Head to Polkadot.js

2. Choose Developer-Extrinsics

3. Select the account you want to be associated

4. Choose parachainStaking and executeCandidateBondLess

5. Submit this transaction