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LBP Guide
Guide on how to participate in the AMPE/KSM LBP.
- 1.Go to https://polkadot.js.org/apps/ and switch to Kusama network from the network menu or directly click on this link
- 2.Find
Developer
in the top menu, and chooseExtrinsics
from the drop down. Select theDecode
tab

Top tab
- 3.Paste this in the field
hex-encoded call 0x630201000100312101000101004e5d80a091a712b727ecbb00882bb28d4d64a6e7f6c87654b3243c489623f510010400000000070010a5d4e800000000
- 4.Now switch to the
Submission
tab - 5.In the
using the selected account
select the account you want to send the KSM from - 6.Now in the beneficiary section in the
id
field, enter your address.

- 7.Now next in the assets section, enter the amount of KSM you want to transfer in the
Fungible
field. Note - Since there are 12 decimals for the KSM token, you need to add 12 zeros after choosing the KSM amount e.g. If you want to transfer 1 KSM, then you should write1000000000000
.

- 8.Apart from this, you don’t need to change anything in the submission.
- 9.Now click on the “Submit Transaction” at the bottom of the screen.
- 10.Now from the pop-up click “Sign and Submit”. Next, enter your password in the wallet pop-up and confirm the transaction.
- 11.Once done, if the contribution is successful on polkadot.js screen you will see a green confirmation in the top right corner.
Note → You would need some AMPE tokens as gas for executing this extrinsic
- 1.Go to https://polkadot.js.org/apps/ and switch to Amplitude network from the network menu or directly click on this link.
- 2.Find
Developer
in the top menu, and chooseExtrinsics
from the drop down - 3.You will be on the following page, see screenshot below.

extrinsic screen example
- 4.Now choose the account you want to contribute from from the field “using the selected account”
- 5.Next in the “Submit the following extrinsic” dropdown choose “
zenlinkProtocol
” - 6.In the next dropdown choose “
bootstrapContribute(asset0, asset1, amount0Contribute, amount1Contribute, deadline)
” - 7.Now a list of fields would appear below.
- 8.In the asset0 section → This is for the AMPE token
- 1.
chainId
should be 2124 - 2.
assetType
should be 0 - 3.
assetIndex
should be 0
- 9.In the
asset1
section → This is for the KSM token- 1.
chainId
should be 2124 - 2.
assetType
should be 2 - 3.
assetIndex
should be 256
- 10.In
amount0Contribute
, enter the amount you want to contribute for AMPE. Make sure to add12
zeros to your amount. For ex. if you wish to contribute10
then the input should be10000000000000
- 11.In
amount1Contribute
, enter the amount you want to contribute for KSM. Make sure to add12
zeros to your amount. For ex. if you wish to contribute10
then the input should be10000000000000
- 12.For
deadline
field, add the block number that is 5-10 blocks higher than the current block-number. For ex. current block number is 2,400,994 then add 5 so the input should be 2,400,999. Current blocknumber can be found in the top menu Network > Explorer - 13.Now click on the “Submit Transaction” at the bottom of the screen.
- 14.Now from the pop-up click “Sign and Submit”. Next, enter your password in the wallet pop-up and confirm the transaction.
- 15.Once done, if the contribution is successful on polkadot.js screen you will see a green confirmation in the top right corner.
Note: This is to be done once the LBP contribution period ends.
- 1.
- 2.Now choose the account you want to sign this transaction from the field “using the selected account”

bootstrapClaim extrinsic
- 3.Next in the “Submit the following extrinsic” dropdown choose “
zenlinkProtocol
” - 4.In the next dropdown choose “
**bootstrapClaim(recipient, asset0, asset1, deadline)**
” - 5.Now a list of fields would appear below.
- 6.In the
recipient
dropdown select “Id” - 7.Now in the AccounId dropdown select the account you used for contributing to the LBP
- 8.In the
asset0
section → This is for the AMPE token- 1.
chainId
should be 2124 - 2.
assetType
should be 0 - 3.
assetIndex
should be 0
- 9.In the
asset1
section → This is for the KSM token- 1.
chainId
should be 2124 - 2.
assetType
should be 2 - 3.
assetIndex
should be 256
- 10.For
deadline
field, add the block number that is 5-10 blocks higher than the current block-number. For ex. current block number is 2,400,994 then add 5 so the input should be 2,400,999. Current blocknumber can be found in the top menu Network > Explorer - 11.Now click on “Submit Transaction” from the bottom of the screen.
- 12.Now from the pop-up click “Sign and Submit”. Next enter your password in the wallet pop-up and confirm the transaction.
- 13.Once done, if the contribution is successful on polkadot.js screen you will see a green confirmation in the top right corner.
Last modified 2mo ago