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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| package v0100 | ||
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| import ( | ||
| "time" | ||
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| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| ) | ||
|
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| // PostID represents a unique post id | ||
| type PostID string | ||
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| // OptionalData represents a Posts' optional data and allows for custom | ||
| // Amino and JSON serialization and deserialization. | ||
| type OptionalData map[string]string | ||
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| // Attachment contains the information representing any type of file provided with a post. | ||
| // This file can be an image or a multimedia file (vocals, video, documents, etc.). | ||
| type Attachment struct { | ||
| URI string `json:"uri" yaml:"uri"` | ||
| MimeType string `json:"mime_type" yaml:"mime_type"` | ||
| Tags []sdk.AccAddress `json:"tags,omitempty" yaml:"tags,omitempty"` | ||
| } | ||
|
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| // PollData contains the information of a poll that is associated to a post | ||
| type PollData struct { | ||
| Question string `json:"question" yaml:"question"` // Describes what poll is about | ||
| ProvidedAnswers []PollAnswer `json:"provided_answers" yaml:"provided_answers"` // Lists of answers provided by the creator | ||
| EndDate time.Time `json:"end_date" yaml:"end_date"` // RFC3339 date at which the poll will no longer accept new answers | ||
| Open bool `json:"is_open" yaml:"is_open"` // Tells if the poll is still accepting answers | ||
| AllowsMultipleAnswers bool `json:"allows_multiple_answers" yaml:"allows_multiple_answers"` // Tells if the poll is a single or multiple answers one | ||
| AllowsAnswerEdits bool `json:"allows_answer_edits" yaml:"allows_answer_edits"` // Tells if the poll allows answer edits | ||
| } | ||
|
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| // PollAnswer contains the data of a single poll answer inserted by the creator | ||
| type PollAnswer struct { | ||
| ID AnswerID `json:"id" yaml:"id"` // Unique id inside the post, serialized as a string for Javascript compatibility | ||
| Text string `json:"text" yaml:"text"` // Text of the answer | ||
| } | ||
|
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| // AnswerID represents a unique answer id | ||
| type AnswerID uint64 | ||
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| // Post is a struct of a post | ||
| type Post struct { | ||
| PostID PostID `json:"id" yaml:"id" ` // Unique id | ||
| ParentID PostID `json:"parent_id" yaml:"parent_id"` // Post of which this one is a comment | ||
| Message string `json:"message" yaml:"message"` // Message contained inside the post | ||
| Created time.Time `json:"created" yaml:"created"` // RFC3339 date at which the post has been created | ||
| LastEdited time.Time `json:"last_edited" yaml:"last_edited"` // RFC3339 date at which the post has been edited the last time | ||
| AllowsComments bool `json:"allows_comments" yaml:"allows_comments"` // Tells if users can reference this PostID as the parent | ||
| Subspace string `json:"subspace" yaml:"subspace"` // Identifies the application that has posted the message | ||
| OptionalData OptionalData `json:"optional_data,omitempty" yaml:"optional_data,omitempty"` // Arbitrary data that can be used from the developers | ||
| Creator sdk.AccAddress `json:"creator" yaml:"creator"` // Creator of the Post | ||
| Attachments []Attachment `json:"attachments,omitempty" yaml:"attachments,omitempty"` // Contains all the attachments that are shared with the post | ||
| PollData *PollData `json:"poll_data,omitempty" yaml:"poll_data,omitempty"` // Contains the poll details, if existing | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package keeper | ||
|
|
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| import ( | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
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| v0100 "github.com/desmos-labs/desmos/x/posts/keeper/legacy/v0.10.0" | ||
| "github.com/desmos-labs/desmos/x/posts/types" | ||
| ) | ||
|
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| // MigratePostsFrom0100To0120 migrates all the posts from v0.10.0 to v.12.0. | ||
| // To do this it executes the following operations one post at a time: | ||
| // 1. It reads the old post | ||
| // 2. It converts the post removing the Open field from the PollData, if any | ||
| // 3. It saves the post inside the store again | ||
| func (k Keeper) MigratePostsFrom0100To0120(ctx sdk.Context) error { | ||
| store := ctx.KVStore(k.StoreKey) | ||
| iterator := sdk.KVStorePrefixIterator(store, types.PostStorePrefix) | ||
| defer iterator.Close() | ||
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| for ; iterator.Valid(); iterator.Next() { | ||
| postKey := iterator.Value() | ||
|
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| // Get the v0.10.0 post | ||
| var v0100Post v0100.Post | ||
| err := k.Cdc.UnmarshalBinaryBare(postKey, &v0100Post) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| // Convert the post | ||
| v0120Post := types.Post{ | ||
| PostID: types.PostID(v0100Post.PostID), | ||
| ParentID: types.PostID(v0100Post.ParentID), | ||
| Message: v0100Post.Message, | ||
| Created: v0100Post.Created, | ||
| LastEdited: v0100Post.LastEdited, | ||
| AllowsComments: v0100Post.AllowsComments, | ||
| Subspace: v0100Post.Subspace, | ||
| OptionalData: types.OptionalData(v0100Post.OptionalData), | ||
| Creator: v0100Post.Creator, | ||
| Attachments: migrateAttachments(v0100Post.Attachments), | ||
| PollData: migratePollData(v0100Post.PollData), | ||
| } | ||
|
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| bz, err := k.Cdc.MarshalBinaryBare(&v0120Post) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
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| // Store the post | ||
| store.Set(postKey, bz) | ||
|
|
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| } | ||
|
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| return nil | ||
| } | ||
|
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| // migrateAttachments migrates the given attachments from v0.10.0 to v0.12.0 | ||
| func migrateAttachments(attachments []v0100.Attachment) types.Attachments { | ||
| var v1200Attachments = make([]types.Attachment, len(attachments)) | ||
| for index, attachment := range attachments { | ||
| v1200Attachments[index] = types.Attachment(attachment) | ||
| } | ||
| return v1200Attachments | ||
| } | ||
|
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| // migratePollData migrates the given pollData from v0.10.0 to v0.12.0 | ||
| func migratePollData(pollData *v0100.PollData) *types.PollData { | ||
| if pollData == nil { | ||
| return nil | ||
| } | ||
|
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| return &types.PollData{ | ||
| Question: pollData.Question, | ||
| ProvidedAnswers: migrateProvidedAnswers(pollData.ProvidedAnswers), | ||
| EndDate: pollData.EndDate, | ||
| AllowsMultipleAnswers: pollData.AllowsMultipleAnswers, | ||
| AllowsAnswerEdits: pollData.AllowsAnswerEdits, | ||
| } | ||
| } | ||
|
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| // migrateProvidedAnswers migrates the providedAnswers from v0.10.0 to v0.12.0 | ||
| func migrateProvidedAnswers(providedAnswers []v0100.PollAnswer) types.PollAnswers { | ||
| var v0120Answers = make([]types.PollAnswer, len(providedAnswers)) | ||
| for index, answer := range providedAnswers { | ||
| v0120Answers[index] = types.PollAnswer{ | ||
| ID: types.AnswerID(answer.ID), | ||
| Text: answer.Text, | ||
| } | ||
| } | ||
| return v0120Answers | ||
| } |
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