Overview
A parameter change proposal is a governance action that proposes to change a specific module parameter of the network.
Create a proposal JSON file:
proposal.json
{
"messages": [
{
"@type": "/cosmos.gov.v1.MsgExecLegacyContent",
"authority": "zeta10d07y265gmmuvt4z0w9aw880jnsr700jvxasvr",
"content": {
"@type": "/cosmos.params.v1beta1.ParameterChangeProposal",
"changes": [
{
"subspace": "gov",
"key": "votingparams",
"value": "{ \"voting_period\": \"86400000000000\" }"
}
],
"description": "Update voting period to 24 hours",
"title": "Gov Param Change"
}
}
],
"deposit": "1000000azeta",
"metadata": "https://example.org/metadata.json"
}The proposal above uses the MsgExecLegacyContent message type to wrap the
ParameterChangeProposal message.
The changes array contains a list of changes to be made to the network's
parameters. Each change is a JSON object with the following fields:
subspace: The module whose parameter is being changed.key: The parameter key.value: The new value of the parameter.