83 lines
2.8 KiB
Go
83 lines
2.8 KiB
Go
package utils
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import (
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"encoding/json"
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"io/ioutil"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/rest"
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"github.com/cosmos/cosmos-sdk/x/params"
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)
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type (
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// ParamChangesJSON defines a slice of ParamChangeJSON objects which can be
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// converted to a slice of ParamChange objects.
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ParamChangesJSON []ParamChangeJSON
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// ParamChangeJSON defines a parameter change used in JSON input. This
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// allows values to be specified in raw JSON instead of being string encoded.
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ParamChangeJSON struct {
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Subspace string `json:"subspace" yaml:"subspace"`
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Key string `json:"key" yaml:"key"`
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Subkey string `json:"subkey,omitempty" yaml:"subkey,omitempty"`
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Value json.RawMessage `json:"value" yaml:"value"`
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}
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// ParamChangeProposalJSON defines a ParameterChangeProposal with a deposit used
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// to parse parameter change proposals from a JSON file.
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ParamChangeProposalJSON struct {
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Title string `json:"title" yaml:"title"`
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Description string `json:"description" yaml:"description"`
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Changes ParamChangesJSON `json:"changes" yaml:"changes"`
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Deposit sdk.Coins `json:"deposit" yaml:"deposit"`
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}
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// ParamChangeProposalReq defines a parameter change proposal request body.
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ParamChangeProposalReq struct {
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BaseReq rest.BaseReq `json:"base_req" yaml:"base_req"`
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Title string `json:"title" yaml:"title"`
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Description string `json:"description" yaml:"description"`
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Changes ParamChangesJSON `json:"changes" yaml:"changes"`
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Proposer sdk.AccAddress `json:"proposer" yaml:"proposer"`
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Deposit sdk.Coins `json:"deposit" yaml:"deposit"`
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}
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)
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func NewParamChangeJSON(subspace, key, subkey string, value json.RawMessage) ParamChangeJSON {
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return ParamChangeJSON{subspace, key, subkey, value}
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}
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// ToParamChange converts a ParamChangeJSON object to ParamChange.
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func (pcj ParamChangeJSON) ToParamChange() params.ParamChange {
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return params.NewParamChangeWithSubkey(pcj.Subspace, pcj.Key, pcj.Subkey, string(pcj.Value))
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}
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// ToParamChanges converts a slice of ParamChangeJSON objects to a slice of
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// ParamChange.
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func (pcj ParamChangesJSON) ToParamChanges() []params.ParamChange {
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res := make([]params.ParamChange, len(pcj))
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for i, pc := range pcj {
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res[i] = pc.ToParamChange()
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}
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return res
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}
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// ParseParamChangeProposalJSON reads and parses a ParamChangeProposalJSON from
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// file.
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func ParseParamChangeProposalJSON(cdc *codec.Codec, proposalFile string) (ParamChangeProposalJSON, error) {
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proposal := ParamChangeProposalJSON{}
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contents, err := ioutil.ReadFile(proposalFile)
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if err != nil {
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return proposal, err
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}
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if err := cdc.UnmarshalJSON(contents, &proposal); err != nil {
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return proposal, err
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}
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return proposal, nil
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}
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