SmartContract error codes

• 5294 - Invalid Block Signature
• 1455 - New Key Block's seqno is lower than current
• 2519 - Block has no signatures
• 3822 - No validators found
• 7465 - Wrong transaction proof

I was only able to deploy to the testnet and synchronized the key block from the mainnet there

LiteClient SmartContract:

• https://testnet.tonviewer.com/kQDDSnViZJwCbSNz5Y4CoJFbfPl1ftcCcSoMawmNIBvp_S18

TransactionChecker SmartContract:

• https://testnet.tonviewer.com/kQAwVu5LFFqGeanbeohuNgFxPo_hSaIzuznP-9j4PJKi0QT-

CheckBlock success:

• https://testnet.tonviewer.com/transaction/68b34e018bf1ba906f84af764ea6a96d175c15a3876bd09f8494ae5a3eccbe64

CheckBlock with invalid signature (5294):

• https://testnet.tonviewer.com/transaction/ddbddd8c954d94c7179238ebc367aefa76e434b4058329b49033a25961984acc

CheckBlock with empty signatures (2519):

• https://testnet.tonviewer.com/transaction/7571cb492d3d7fab5232e35df7b8308089e5b1786904fc3ed45a39f09d9008a8

CheckBlock no validators found in smartcontract for current signature (3822):

• https://testnet.tonviewer.com/transaction/37008b64e657a575edadcc9b8054cac58422fb790ec72dd3424ac7d4194c2856

NewKeyBlock with low seqno than current (1455):

• https://testnet.tonviewer.com/transaction/af5a2af9ae1d665d497bb3719814e065b338ea6940d3d5fb5038259e3370e530

CheckTransaction success:

• https://testnet.tonviewer.com/transaction/2c87d244d6ef9ec576a6555746372786ee1aa29311f3f3f1d054d83fde0165bd

CheckTransaction invalid proof (7465):

• https://testnet.tonviewer.com/transaction/513bf79dd0f5b9167e1d45c3acd06016dbafc222a3b92bc2c0986da79f32460e

Build

npm install

npx blueprint build

npx blueprint run

Scripts (contract deployed to testnet, so it works in testnet)

lite_client/getCurrentKeyBlock - Returns current key block in smartcontract

lite_client/sendNewKeyBlock - Sends new key block (only owner can send)

lite_client/forceSendKeyBlock - Sends new key block (everybody can send without validation)

trans_checker/checkTransaction - Check random transaction from masterchain block