Error while minting tokens using cardano-cli

Developers Native Tokens
1

Hi,

I have successfully minted a token on cardano testnet. Now I am trying to mint more of that token using the same script. But I am facing error while submitting the transaction. I want to know is it possible to mint same token more after the initial mint. Here I am using time bound before script to allow me to mint more tokens before given slot number.

policy.script -

echo "{" >> policy/policy.script 
echo " \"scripts\": [" >> policy/policy.script 

echo "{" >> policy/policy.script 
echo "  \"keyHash\": \"$(cardano-cli address key-hash --payment-verification-key-file policy/policy.vkey)\"," >> policy/policy.script 
echo "  \"type\": \"sig\"" >> policy/policy.script 
echo "}," >> policy/policy.script


echo "{" >> policy/policy.script
echo "  \"slot\": 86969600," >> policy/policy.script 
echo "  \"type\": \"before\"" >> policy/policy.script 
echo "}" >> policy/policy.script

echo "]," >> policy/policy.script
echo "  \"type\": \"all\"" >> policy/policy.script 
echo "}" >> policy/policy.script
1 Like
2

What’s the error message you are receiving ? And could you give more details as to what exactly you are doing, the steps?

1 Like
3

Error message-

Command failed: transaction submit Error: Error while submitting tx: ShelleyTxValidationError ShelleyBasedEraAlonzo (ApplyTxError [UtxowFailure (WrappedShelleyEraFailure (UtxoFailure (ValueNotConservedUTxO (Value 99816547 (fromList [(PolicyID {policyID = ScriptHash “6bff6873aceab4ff4ab0d876aa3c926675679a490d6cd6505cc82e3d”},fromList [(“FifthTesttoken”,20000000)])])) (Value 99816547 (fromList [(PolicyID {policyID = ScriptHash “6bff6873aceab4ff4ab0d876aa3c926675679a490d6cd6505cc82e3d”},fromList [(“FifthTesttoken”,10000000)])])))))])

Details -
I want to mint a token with a time bound. Means till particular time period you should be able to mint more of the same token. And after that period you cannot mint.

4

So, it tells you that you have more of your tokens in the inputs than in the outputs.

I would guess that there already tokens on the --tx-in that you consume and then you --mint some more. The amount in --tx-out then has to be the sum of both amounts.

5

Hi @HeptaSean ,

This is my transaction build command -

cardano-cli transaction build-raw \
 --fee $fee \
 --tx-in $txhash#$txix \
 --tx-out $address+$output+"$tokenamount $policyid.$tokenname1" \
 --mint="$tokenamount $policyid.$tokenname1" \
 --minting-script-file policy/policy.script \
 --out-file matx.raw \
 --invalid-hereafter 56842706

Do I need to make any changes in this when I mint for the second time?
Please help me what changes I should make according to you.

6

When you do the cardano-cli query utxo step, it should tell you that there are already tokens on the UTxO that you later use in –tx-in $txhash#$txix.

Those have to be included in the --tx-out.

The minimal fix according to your original post would be:

cardano-cli transaction build-raw \
–fee $fee \
–tx-in $txhash#$txix \
–tx-out $address+$output+"20000000 $policyid.$tokenname1" \
–mint="10000000 $policyid.$tokenname1" \
–minting-script-file policy/policy.script \
–out-file matx.raw \
–invalid-hereafter 56842706

I.e.: Just replace the $tokenamount variable with the concrete amounts needed in this case.

7

Hi @HeptaSean ,

Thanks for your reply. It really helped.

Now I am trying to burn the minted 20000000 tokens, using the command -

cardano-cli transaction build-raw \
 --fee $burnfee \
 --tx-in $txhash#$txix \
 --tx-out $address+$burnoutput+"10000000 $policyid.$tokenname1" \
 --mint="-10000000 $policyid.$tokenname1" \
 --minting-script-file policy/policy.script \
 --out-file burning.raw

But it is throwing an error -

Command failed: transaction submit Error: Error while submitting tx: ShealidationError ShelleyBasedEraAlonzo (ApplyTxError [UtxowFailure (WrappedEraFailure (ScriptWitnessNotValidatingUTXOW (fromList [ScriptHash “e808235ce75d9ac5c3f7f274955cb57c5617dedc0365a00ab”])))])

Can you guide me where am I going wrong? I am performing burn after the time period for minting is over.

8

This is the main cause for the error. Usually, it means that you forgot to sign with one of the needed keys, but …

… this could also be the reason. If the slot in the policy is over, you can neither mint nor burn.

9

Thanks @HeptaSean .

I am trying to burn tokens within time period using -

cardano-cli transaction build-raw \
 --fee $burnfee \
 --tx-in $txhash#$txix \
 --tx-out $address+$burnoutput+"19000000 $policyid.$tokenname1" \
 --mint="-10000000 $policyid.$tokenname1" \
 --minting-script-file policy/policy.script \
 --out-file burning.raw

But getting error -

Command failed: transaction submit Error: Error while submitting tx: ShelleyTxValidationError ShelleyBasedEraAlonzo (ApplyTxError [UtxowFailure (WrappedShelleyEraFailure (ScriptWitnessNotValidatingUTXOW (fromList [ScriptHash “27e7865b907c3c9595e36834b09b3e3131769a45f9c0e1a985c5c4d9”])))])

10

As said:

Did you sign with both, the payment key belonging to the --tx-in and the policy key belonging to the hash in the policy script?