Can't revoke Last gold from voting for a group

[zviadm]

Expected Behavior

Running Checks:
   ✔  0682c9ed752e8a8bbb56bc33d83dd65379305f52 is a registered Account 
address: 0682c9ed752e8a8bbb56bc33d83dd65379305f52
votes: 
  0: 
    group: 0x1DBe73b0480058106798Adda62E25d5279233c1B
    pending: 2551706551664588093816 (~2551.71 10^18)
    active: 7750257155650008073441 (~7750.26 10^18)
  1: 
    group: 0x412f2910970F81e49Af9B46067d3fD4D7a281679
    pending: 0 
    active: 1 

Running Checks:
   ✔  0682c9ed752e8a8bbb56bc33d83dd65379305f52 is Signer or registered Account 
   ✔  0x412f2910970F81e49Af9B46067d3fD4D7a281679 is ValidatorGroup 
SendTransaction: revoke
txHash: 0x56d2fa13b7e1bb42ee0a7ca0d2118ff0ce47a1831a892bfd29aef5745892a5df
Sending Transaction: revoke... done

thezviad_gmail_com@cv-1:~/wotrust-ops$ celocli election:show --voter $v2
Running Checks:
   ✔  0682c9ed752e8a8bbb56bc33d83dd65379305f52 is a registered Account 
address: 0682c9ed752e8a8bbb56bc33d83dd65379305f52
votes: 
  0: 
    group: 0x1DBe73b0480058106798Adda62E25d5279233c1B
    pending: 2551706551664588093816 (~2551.71 10^18)
    active: 7750257155650008073441 (~7750.26 10^18)
  1: 
    group: 0x412f2910970F81e49Af9B46067d3fD4D7a281679
    pending: 0 
    active: 1 

I would have expected for that last vote to get revoked, but it doesn;t

[zviadm]

btw this also allows to infinitely generate 1e-18 locked gold (however because transaction fees are more expensive it isn't a loop hole for making free money)

thezviad_gmail_com@cv-1:~$ celocli election:show --voter $gg
Running Checks:
   ✔  1dbe73b0480058106798adda62e25d5279233c1b is a registered Account 
address: 1dbe73b0480058106798adda62e25d5279233c1b
votes: 
  0: 
    group: 0x1DBe73b0480058106798Adda62E25d5279233c1B
    pending: 1900000000000000000000 (~1900 10^18)
    active: 27307432002837240617684 (~27307.43 10^18)
  1: 
    group: 0x4418a99aC82d042971668A78604d1baaA92B895f
    pending: 0 
    active: 1 
  2: 
    group: 0x412f2910970F81e49Af9B46067d3fD4D7a281679
    pending: 0 
    active: 2999999999999999999999 (~3000 10^18)
thezviad_gmail_com@cv-1:~$ celocli election:revoke --from $gg --for 0x4418a99aC82d042971668A78604d1baaA92B895f --value 1
Running Checks:
   ✔  1dbe73b0480058106798adda62e25d5279233c1b is Signer or registered Account 
   ✔  0x4418a99aC82d042971668A78604d1baaA92B895f is ValidatorGroup 
SendTransaction: revoke
txHash: 0x5698f8412ac63299e57dffe57d1b97ed4105e02c13743e04c77ca8907204da5a
Sending Transaction: revoke... done
thezviad_gmail_com@cv-1:~$ celocli lockedgold:show $gg
Running Checks:
   ✔  1dbe73b0480058106798adda62e25d5279233c1b is a registered Account 
lockedGold: 
  total: 32207432002837240617686 (~32207.43 10^18)
  nonvoting: 2 
  requirement: 20000000000000000000000 (~20000 10^18)
pendingWithdrawals: 

thezviad_gmail_com@cv-1:~$ celocli election:revoke --from $gg --for 0x4418a99aC82d042971668A78604d1baaA92B895f --value 1

Running Checks:
   ✔  1dbe73b0480058106798adda62e25d5279233c1b is Signer or registered Account 
   ✔  0x4418a99aC82d042971668A78604d1baaA92B895f is ValidatorGroup 
SendTransaction: revoke
txHash: 0x069b6200d642c02c58245ae4758bae48ecb012b461ebca124150e5e53792f887
Sending Transaction: revoke... done

thezviad_gmail_com@cv-1:~$ celocli lockedgold:show $gg
Running Checks:
   ✔  1dbe73b0480058106798adda62e25d5279233c1b is a registered Account 
lockedGold: 
  total: 32207432002837240617687 (~32207.43 10^18)
  nonvoting: 3 
  requirement: 20000000000000000000000 (~20000 10^18)
pendingWithdrawals: 

[daithi-coombes]

I can confirm the same:

$ celocli election:revoke --from $CELO_VALIDATOR_ADDRESS --for 0xBCD25468E4D433Ac442b87f32B37B39678BF7077 --value 1
Running Checks:
   ✔  813ea48dba2912060ce24f17e39a06efcb564e4a is Signer or registered Account 
   ✔  0xBCD25468E4D433Ac442b87f32B37B39678BF7077 is ValidatorGroup 
SendTransaction: revoke
txHash: 0xa233e7349c5020712a1294b5171df72a0f2d8d4e5350fbfc9ee098f0f7a62104
Sending Transaction: revoke... done

$ celocli election:show $CELO_VALIDATOR_ADDRESS --voter
Running Checks:
   ✔  813ea48dba2912060ce24f17e39a06efcb564e4a is a registered Account 
address: 813ea48dba2912060ce24f17e39a06efcb564e4a
votes: 
  0: 
    group: 0x3521a14aae3a4FaC3C6D0D6Ceb8642cDd21323A2
    pending: 0 
    active: 10648304537141800853334 (~10648.3 10^18)
  1: 
    group: 0xBCD25468E4D433Ac442b87f32B37B39678BF7077
    pending: 0 
    active: 1

[mrsmkl]

Let's track the rounding error issue at #2507